Use relative dating to explain why seafloor is youngest at the
mid-ocean ridges.

Answers

Answer 1

Even though most of the Mid-Ocean Ridge is underwater, some of it, like Iceland, have enough elevation to reach above sea level.

Comparing the oceanic crust's ages near a mid-ocean ridge reveals that the crust is youngest right at the spreading center and gradually ages away from the divergent boundary in either direction, aging approximately 1 million years for every 20-40 km from the ridge.

The age of the oceanic lithosphere is primarily what determines the depth of the seafloor on the flanks of a mid-ocean ridge; more seasoned ocean bottom is more profound. Seafloor deepening is caused by lithosphere and mantle contraction, cooling, and isostatic adjustment with age during seafloor spreading.

Learn more about mid-ocean ridges:

brainly.com/question/30395601

#SPJ4


Related Questions

Ancient civilizations in Africa, China and India created and developed many important cultural and valued advancements.

Identify and explain 2 advances from each civilization and why each one was important at the time as well as now.

Answers

Ancient civilizations in Africa, China, and India made significant cultural and technological advancements that continue to impact the world today.

Ancient civilizations in Africa, China, and India made significant contributions that continue to shape the world today. In Africa, the Great Pyramids of Egypt stand as a testament to advanced architectural and engineering skills, preserving the cultural heritage of Egypt. The mastery of iron smelting revolutionized agriculture and warfare in Africa. In China, the invention of paper enabled the dissemination of knowledge, while the compass revolutionized navigation, leading to global exploration and trade expansion. In India, the decimal numeral system and the concept of zero laid the foundation for modern mathematics, and Ayurveda's holistic approach to healthcare still influences alternative medicine practices. These advancements were crucial in their respective societies and continue to impact our lives today.

Learn more about civilizations:

https://brainly.com/question/28462531

#SPJ11

Where is Earth’s magnetic field generated, and how? Name at
least one benefit of a world’s having a magnetic field.

Answers

Earth's magnetic field is generated within its core through the dynamo effect. One benefit of Earth having a magnetic field is that it acts as a protective shield, deflecting harmful solar radiation and preserving our atmosphere, making it conducive to supporting life.

Earth's magnetic field is generated within its core, specifically in the outer liquid iron-nickel layer called the outer core. This region is responsible for the generation of Earth's magnetic field through a process called the dynamo effect. The motion of the liquid metal within the outer core, combined with the Earth's rotation, creates electric currents that generate the magnetic field.

One benefit of Earth having a magnetic field is that it acts as a protective shield against the solar wind, a stream of charged particles emitted by the Sun. The magnetic field deflects and redirects these particles, preventing them from directly impacting the Earth's atmosphere and surface. This protection helps preserve our atmosphere and safeguards life on Earth from harmful solar radiation, including ultraviolet rays and high-energy particles.

Learn more about magnetic field:

https://brainly.com/question/19542022

#SPJ11

Consider two sources radiating energy as a perfect blackbody. One source is red, and the other is blue. From their visual appearance, what can you conclude about these two sources? The blue source is brighter than the red source. The blue source is dimmer than the red source. The blue source is hotter than the red source. The blue source is cooler than the red source. The blue source is moving toward you while the red source is moving away. Suppose a star emits photons with a wavelength of 587 nm that are measured on Earth with a wavelength of 640 nm. Which of the following must be true? The star is increasing in temperature. The star is decreasing in temperature. The star is moving toward the Earth. The star is moving away from the Earth. That star must be the Sun.

Answers

The blue source is cooler than the red source.The blue source is dimmer than the red source.The star is moving away from the Earth.

1. The blue source is cooler than the red source:

The color of light emitted by an object is related to its temperature. A perfect blackbody emits a spectrum of light, and as the temperature increases, the peak of the emitted spectrum shifts to shorter wavelengths (towards the blue end of the visible spectrum). Therefore, if the blue source appears blue, it indicates that it has a lower temperature compared to the red source, which appears red.

2. The blue source is dimmer than the red source:

The brightness of an object is also related to its temperature. According to Wien's displacement law, hotter objects emit more energy at all wavelengths, including visible light. As a result, the red source, being hotter than the blue source, emits more energy and appears brighter.

3. The star is moving away from the Earth:

The observed shift in the wavelength of the photons emitted by the star provides information about its motion relative to Earth. When the measured wavelength is longer (redshifted) than the emitted wavelength, it indicates that the source is moving away from the observer. In this case, the star emits photons with a wavelength of 587 nm, which are measured on Earth with a longer wavelength of 640 nm. Therefore, the star is moving away from the Earth.

Regarding the statement "That star must be the Sun," it cannot be concluded solely based on the given information about the wavelength shift.

To learn more about Wien's displacement law, Visit:

https://brainly.com/question/33360033

#SPJ11

Which of the following is the dominant religion in the Middle East and North Africa?
A. Christianity B. Judaism C. Zoroastrianism D. Islam E. None of the above.

Answers

Islam is the dominant religion in the Middle East and North Africa.

Hence, the correct answer is option d.

Islam is a monotheistic religion founded in the 7th century CE by Prophet Muhammad in the Arabian Peninsula. Its followers, called Muslims, believe in the teachings of the Qur'an as the word of God. Islam emphasizes the worship of Allah, the five pillars of Islam (faith, prayer, fasting, charity, and pilgrimage to Mecca), and adherence to moral and ethical principles.

It has a global following of over 1.8 billion people, making it the world's second-largest religion. Islam encompasses a diverse range of beliefs, practices, and cultural expressions across different regions and sects.

Islam is also the state religion in many countries in this region, and Islamic traditions and practices heavily influence the culture, laws, and social norms of the region.

Learn more about Islam here:

https://brainly.com/question/28720318

#SPJ4

provides administrative guidance and oversight to the air force office of special investigation (afosi) in accordance with headquarters air force mission directives.

Answers

The role provides administrative guidance and oversight to the Air Force Office of Special Investigation (AFOSI) in line with Headquarters Air Force mission directives.

The role in question involves providing administrative guidance and oversight to the Air Force Office of Special Investigation (AFOSI). AFOSI is a specialized agency within the Air Force that conducts criminal investigations, counterintelligence operations, and provides protective services. The individual in this role is responsible for ensuring that AFOSI operates in accordance with the mission directives set by Headquarters Air Force.

The administrative guidance aspect of the role involves providing support and direction to AFOSI personnel in various administrative areas, such as budgeting, resource allocation, policy implementation, and personnel management. This ensures that AFOSI functions effectively and efficiently in carrying out its mission.

The oversight aspect of the role entails monitoring AFOSI's activities, ensuring compliance with regulations and policies, and evaluating the effectiveness of its operations. The individual in this role may conduct regular reviews, audits, and assessments to identify areas for improvement and implement corrective measures.

Overall, this position plays a crucial role in maintaining the organizational structure, operational efficiency, and compliance of AFOSI with the directives and goals established by Headquarters Air Force.

Learn more about administrative guidance

brainly.com/question/32878151

#SPJ11

(c) A rock of consists of plagioclase of composition An50. Would a partial melt formed from this rock be richer in An or in Ab? Explain. (3 marks) (d) With a clearly labeled diagram, describe the earth's geospheres. (3 marks) (c) A rock of consists of plagioclase of composition An60. Would a partial melt formed from this rock be richer in A or in Ab ? Why? (8 marks)

Answers

(c) An An50 composition rock produces a partial melt richer in An (anorthite) during partial melting. (d) Geospheres: Lithosphere, asthenosphere, mesosphere, outer core, inner core.

(c) A rock consisting of plagioclase of composition An50 means that the plagioclase mineral contains 50% anorthite (An) and 50% albite (Ab). In this case, a partial melt formed from this rock would be richer in An (anorthite) than in Ab (albite). During partial melting, minerals with higher melting temperatures will tend to remain in the solid residue, while those with lower melting temperatures will melt and form the melt. Anorthite has a higher melting temperature compared to albite, so it is less likely to melt during partial melting. As a result, the melt produced would have a higher concentration of albite compared to anorthite, making it richer in An.

(d) Diagram describing the Earth's geospheres:

[The diagram shows the Earth divided into three labeled layers:]

Lithosphere: The outermost layer of the Earth, including the crust and a portion of the uppermost mantle. It is rigid and divided into tectonic plates that interact and move across the Earth's surface.Asthenosphere: Located beneath the lithosphere, it is a partially molten and ductile region of the upper mantle. The asthenosphere allows for the movement of tectonic plates above it.Mesosphere (Lower mantle): Extending from the bottom of the asthenosphere to the outer core, the mesosphere is a solid and more rigid region of the mantle.Outer core: A liquid layer composed mainly of iron and nickel that surrounds the inner core. The outer core generates Earth's magnetic field through convective motions.Inner core: The innermost layer of the Earth, consisting mainly of solid iron and nickel due to the high pressure despite the extremely high temperatures.

Note: The diagram should include appropriate labels for each layer and represent their relative positions within the Earth.

To learn more about Lithosphere, Visit:

https://brainly.com/question/24515151

#SPJ11

Which time period were Dinosaurs present on earth? Cenozoic Era Hadean Eon Mesozoic Era Precambrian

Answers

The time period when dinosaurs were present on Earth is called Mesozoic Era.

Hence, the correct answer is option c.

Dinosaurs were present on Earth during the Mesozoic Era, which is commonly referred to as the "Age of Dinosaurs."

The Mesozoic Era lasted from approximately 252 million years ago to 66 million years ago and is divided into three periods: the Triassic, Jurassic, and Cretaceous. It was during this time that dinosaurs evolved and diversified, becoming the dominant terrestrial vertebrates and occupying a wide range of ecological niches.

The Mesozoic Era came to an end with a mass extinction event, which led to the extinction of non-avian dinosaurs and the rise of mammals as the dominant land animals.

Learn more about Mesozoic age here:

https://brainly.com/question/11926556

#SPJ4

Research from the National Academies of Sciences, Engineering and Medicine reviewed dozens of studies and decades of disease data, and reported a conclusion about GMOs. What was the overall conclusion

Answers

The National Academies of Sciences, Engineering and Medicine reviewed dozens of studies and decades of disease data, and reported that genetically engineered crops are no more risky than conventional crops.

The study also concluded that GMOs have had a great positive impact on human health, food security, and the environment. As a result, the current scientific evidence indicates that the diverse benefits of current genetically-modified crops outweigh any potential risks. Further, the review concluded that the consumption of currently available food derived from GM crops poses no greater risk than the consumption of food from traditionally bred crops.

The report also noted that there are a few areas of continued concern, such as the potential allergic reactions, that may be associated with GM crops. In conclusion, the National Academies of Sciences, Engineering and Medicine concluded that current genetically-modified crops are safe for human and animal consumption, are generally beneficial to farmers, and have improved environmental outcomes.

To know more about genetically engineered crops, click here:

https://brainly.com/question/30331181

#SPJ4

Figure Q3 (a):Nitrogen Dioxide concentration over Southeast Asia region. Figure Q3( b) : Sulphur dioxide concentration over Southeast Asia region.

Answers

In the Southeast Asia region, the concentration of sulfur dioxide can vary depending on factors such as industrial activities, power generation, and the use of coal or oil as energy sources. Areas with a high density of industrial facilities or coal-fired power plants may experience elevated levels of SO2.

(a) Nitrogen Dioxide Concentration over Southeast Asia Region:

Nitrogen dioxide is primarily produced from the combustion of fossil fuels, industrial processes, and vehicle emissions. It is a significant air pollutant and can have detrimental effects on human health and the environment. In the Southeast Asia region, areas with high population density and industrial activities are more likely to have elevated levels of nitrogen dioxide.

(b) Sulphur Dioxide Concentration over Southeast Asia Region:

Sulfur dioxide is primarily released during the combustion of fossil fuels containing sulfur compounds, particularly in power plants, industrial processes, and certain industrial activities like mining and refining. It can also be emitted during volcanic eruptions. Sulphur dioxide is known to have harmful effects on human health and the environment, contributing to respiratory issues and acid rain.

Learn more about Nitrogen Dioxide concentration https://brainly.com/question/13008302

#SPJ11

Which of the following did NOT cause damage in the 1906 San Francisco earthquake?
a). Ground shaking.
b). A tsunami.
c). Fires that broke out after the earthquake.
d). Ground ruptures, cracks, and fissures.

Answers

The 1906 San Francisco earthquake did not cause a significant tsunami and hence no damage was caused due to tsunami.

Hence, the correct answer is option b.

1906 San Francisco earthquake:

The 1906 San Francisco earthquake, one of the most devastating earthquakes in U.S. history, caused widespread damage and destruction. The main effects of the earthquake included intense ground shaking, fires, and ground ruptures.

The ground shaking, with an estimated magnitude of 7.8, resulted in the collapse of buildings. Streets and infrastructure were severely damaged, and landslides occurred in hilly areas.

The fires that broke out after the earthquake caused immense destruction. Ruptured gas lines and broken water mains contributed to the spread of fires that burned for several days.

Additionally, ground ruptures, cracks, and fissures were observed along the San Andreas Fault, further contributing to the destruction of structures and infrastructure.

Learn more about San Francisco earthquake here:

https://brainly.com/question/32254950

#SPJ4

1.Map 4 major religio-cultural sources (source-religions) that contributed to the formation of Cao Đài.
2.For each source religion, include one to 1-2 details from each religio-culture.
3.For each detail, explain how that detail shows that what Cao Đài drew from that source-religion

Answers

Cao Dai is a religion founded in Vietnam in 1926. This religion was heavily influenced by several major religio-cultural sources or source-religions.

The 4 major religio-cultural sources that contributed to the formation of Cao Dai are:

1. Buddhism - The teachings of Buddha formed one of the significant sources of Cao Dai religion. Cao Dai drew heavily on Buddhism's beliefs and practices. Some details from the Buddhist religio-culture are:

Belief in reincarnation
Belief in Karma

These details show that Cao Dai drew the idea of rebirth and the concept of actions and consequences from Buddhism.

2. Taoism - Another major source religion of Cao Dai is Taoism. Taoist beliefs also helped to shape the Cao Dai religion. Some details from Taoist religio-culture are:

Belief in the Tao
Belief in the Yin-Yang

These details show that Cao Dai drew the idea of the Tao, the underlying force that controls the universe, and the balance of opposites from Taoism.

3. Confucianism - Confucianism also played a significant role in the formation of the Cao Dai religion. Some details from Confucianism religio-culture are:

Belief in ancestor worship
Belief in filial piety

These details show that Cao Dai drew the idea of respect for ancestors and the importance of family values from Confucianism.

4. Christianity - Christianity was another source of Cao Dai. Christianity's teachings helped to shape the Cao Dai religion. Some details from Christianity religio-culture are:

Belief in a supreme being
Belief in salvation through faith

These details show that Cao Dai drew the idea of one God and the need for salvation through faith from Christianity.

To learn more about Cao Dai

https://brainly.com/question/31857772

#SPJ11

If a quasar has a redshift of 0.3, at what fraction of the speed
of light is it moving away from us or towards us? (Neglect any
corrections for relativity)

Answers

The quasar with a redshift of 0.3 is moving away from us at approximately 0.3 times the speed of light.

If a quasar has a redshift of 0.3, it means that the wavelength of the light emitted by the quasar is stretched by a factor of 0.3 compared to the wavelength observed on Earth. Redshift is commonly used as an indicator of cosmological expansion, where objects moving away from us exhibit higher redshift values. In this case, the quasar is moving away from us. By using the formula for redshift, z = (Δλ/λ), where z is the redshift and λ is the wavelength, we can determine that the quasar is moving away from us at approximately 0.3 times the speed of light.

Learn more about the quasar:

https://brainly.com/question/32155624

#SPJ11

4. Why do you think the topics of global warming and environmental ethics are so politicized? In other words, given that there is an overwhelming consensus among scientists (who study climate change) that there is overwhelming empirical data that point to the fact that the climate is warming at a dangerously high rate and that this is caused by human activities, why do you think there is no public sense of urgency to address this problem? If the future survival of our humanity literally depends on what we do now (individually and collectively), why are we not uniting to act to find solutions?

Answers

Global warming and environmental ethics are so heavily politicized because of the economic interests at stake.

As companies and countries race to secure the best access to finite resources, they are often willing to overlook the consequences to the environment, building short-term profits at the expense of long-term sustainability. It also presents challenging questions about who should pay for the consequences of climate change, and for whom global warming has the most adverse impacts.

On the other hand, the lack of public sense of urgency and action to address the problem can be attributed to an overwhelming sense of apathy and exhaustion due to having to confront big challenges like global warming, a sense of helplessness when it comes to what one individual can do to fight against an issue that affects everyone, as well as the doubts and misinformation floating around about whether or not global warming is real.

To know more about Global warming , click here:

https://brainly.com/question/29625243

#SPJ4

The evaporation if irrigation water from farm fields can damage soil fertility through
A. Soil erosion
B. Deforestation
C. desertification
D. salinization

Answers

Answer:

A. soil erosion

Explanation:

Soil erosion can cause damage to soil fertility, Sedimentation , Building Damage, And Increased Flood Risk .

#i hope this help

how far is neptune from the sun in astronomical units

Answers

Neptune, the eighth and farthest known planet from the Sun in our solar system, is located at an average distance of about 30.07 astronomical units (AU) from the Sun. One astronomical unit is defined as the average distance between the Earth and the Sun, which is approximately 149.6 million kilometers (93 million miles).

With its average distance of 30.07 AU, Neptune is significantly farther from the Sun compared to Earth, which is at an average distance of 1 AU. The large distance of Neptune from the Sun is a result of its position in the outer region of the solar system, known as the outer solar system or the trans-Neptunian region.

It is important to note that the distance between Neptune and the Sun is not fixed due to the elliptical nature of planetary orbits. Like other planets, Neptune follows an elliptical path around the Sun rather than a perfect circle. Therefore, the distance between Neptune and the Sun can vary during its orbit.

Additionally, it is worth mentioning that my knowledge is based on information available up until September 2021. New discoveries or updated measurements regarding the exact distance of Neptune from the Sun may not be reflected in my response.

for more questions on  solar system

https://brainly.com/question/28430876

#SPJ8

Describe the crust formed during the Archean and say why the earth
was hotter in this time.

Answers

The Earth's crust underwent significant formation and evolution during the Archean Era, which spanned approximately 4 to 2.5 billion years ago. The crust formed during this period is called Paleolithic crust.

The Archean crust was mainly composed of granite and greenstone bands. Granites are coarse-grained igneous rocks rich in silica and aluminum, while greenstone belts are composed of metamorphosed volcanic and sedimentary rocks.

These rocks were formed by various geological processes such as volcanism, sedimentation and metamorphism. During the Archean Era, concentrations of radioactive elements such as uranium, thorium, and potassium in the Earth's mantle were higher than they are today. The decay of these radioactive isotopes releases large amounts of heat, causing global temperatures to rise.

To know more about crust visit :

https://brainly.com/question/13428623

#SPJ4

why is karst topography a concern for groundwater quality?

Answers

Karst topography is a concern for groundwater quality because it is a geologic landscape that is composed of water-soluble rock formations such as limestone, dolomite, or gypsum that have been eroded by water.

Karst topography features groundwater flows that are extremely complex, with water draining rapidly through a network of interconnected voids, cracks, and fissures in the bedrock. This characteristic enables pollutants to quickly travel underground and possibly infect drinking water sources, causing a major issue for communities that rely on wells for their drinking water supply.

Karst topography can be a concern for groundwater quality because of its capacity to transport contaminants over considerable distances. The water can move through the rocks rapidly and has a considerable surface area to touch, which means that the contaminants have many chances to interact with the water, dissolve, and spread.

Learn more about Karst topography https://brainly.com/question/4365381

#SPJ11

3. What is a myth or legend that you are aware of? This could be religious, cultural, or urban legend. Provide a brief summary of that story and what purpose you think it serves in society.

Answers

One of the most popular myths or legends is a Greek myth - the story of Prometheus.

It is the story of a Titan who stole fire from the Gods and gave it to humankind, allowing people to create things like pottery, sailing, and metalworking for the first time. According to the myth, Prometheus was punished by the Gods for his insolence by being chained to a rock, where an eagle ate his liver each day until he was freed by Hercules.

This myth serves to illustrate the wisdom of the gods, their divine justice, and the penalty for acting against their will. It also serves as a cautionary tale about the consequences of challenging authority. Finally, it serves to bolster the idea that without divine intervention, humankind is powerless to overcome certain obstacles. Prometheus' story is a powerful reminder that the gods must be respected and humbly accepted.

To know more about Greek myth, click here:

https://brainly.com/question/31291529

#SPJ4

Following and carrying out verbal and written instructions to
complete geology assignments.

Answers

Following and carrying out verbal and written instructions is essential for completing geology assignments, ensuring the accurate execution of tasks, and meeting assignment objectives. It demonstrates discipline, attention to detail, and effective communication skills, which are important qualities in the field of geology and academia.

Following and carrying out verbal and written instructions is crucial when completing geology assignments. Instructions may include tasks such as conducting research, analyzing data, writing reports, or performing experiments. By carefully following instructions, students can ensure that they meet the objectives of the assignment and complete it accurately and effectively. This involves reading instructions attentively, clarifying any uncertainties, systematically organizing tasks, and adhering to any specific formatting or citation requirements. Following instructions demonstrates discipline, attention to detail, and effective communication skills, which are essential in the field of geology and other academic disciplines.

Learn more about communication skills:

https://brainly.com/question/29468743

#SPJ11

curve formed when water erodes one side of a stream

Answers

Meanders form in rivers or streams as a result of erosion on the outer bank and deposition on the inner bank. The continuous process of erosion and deposition causes the meander to grow over time.

When water erodes one side of a stream over time, it can create a curved feature known as a meander. A meander is a bend or curve in a river or stream channel. It typically forms in flatter areas where the water flow is slower and the sediment is more easily eroded and deposited.

The formation of a meander occurs due to a combination of erosional and depositional processes. As water flows through a stream, it tends to erode the outer bank of a curve, where the water flow is faster and has more energy. This erosion occurs through processes such as hydraulic action (the force of flowing water), abrasion (the wearing away of the bank by sediment carried by the water), and undercutting.

As the outer bank erodes, the sediment gets transported downstream, where it is deposited on the inner bank of the curve, where the water flow is slower. This deposition happens due to a decrease in water velocity, which reduces the ability of the water to carry sediment. Over time, the repeated erosion and deposition processes cause the meander to grow larger.

The curvature of a meander can vary, ranging from gentle bends to tightly wound loops. The shape of a meander is influenced by factors such as the slope of the land, the characteristics of the sediment, and the volume and velocity of the water flow. Meanders can sometimes lead to the formation of oxbow lakes when the neck of the meander is eventually cut off from the main channel due to erosion and sedimentation.

Learn more about stream here:

https://brainly.com/question/31779773

#SPJ11

earth’s greenhouse effect would be more intense if the planet

Answers

The earth’s greenhouse effect would be more intense if the planet would be too cold to support life. The greenhouse effect is a phenomenon that allows the Earth to maintain a habitable temperature range for living organisms.

Without the greenhouse effect, the planet would be too cold to support life. Greenhouse gases trap heat in the Earth's atmosphere, which causes the temperature to rise above the freezing point of water. Some gases, such as carbon dioxide, methane, and water vapor, have a greater ability to trap heat than others.


If the planet had a higher concentration of greenhouse gases, the greenhouse effect would be more intense. This means that more heat would be trapped in the Earth's atmosphere, which would cause the temperature to rise. A higher temperature would have numerous consequences, including the melting of polar ice caps, rising sea levels, more frequent and severe weather events, and changes in ecosystems.



Human activities, such as burning fossil fuels and deforestation, have increased the concentration of greenhouse gases in the atmosphere. As a result, the Earth's greenhouse effect has become more intense over the past century. This has led to a warming trend known as global warming, which has significant impacts on the planet and its inhabitants.

Know more about  greenhouse effect here:

https://brainly.com/question/31595505

#SPJ11

which land biome covers the largest part of earth's surface

Answers

The land biome that covers the largest part of Earth's surface is the marine biome, specifically the ocean biome.

The ocean covers around 71% of the Earth's surface, making it the largest biome in terms of area. It is characterized by saltwater, vast open spaces, and diverse ecosystems ranging from the sunlit surface waters to the deep ocean trenches.

The marine biome supports a wide array of plant and animal species, including phytoplankton, seaweeds, coral reefs, fish, marine mammals, and many others. It plays a crucial role in regulating the Earth's climate, oxygen production, nutrient cycling, and providing habitats for countless marine organism

Know more about biome here:

https://brainly.com/question/32466317

#SPJ11

what type (or color) of stars might we expect to see in galactic
collisions regions of star formation that we dont see much else
where?

Answers

We may expect to see bright, blue stars in galactic collision regions of star formation that we don't usually see elsewhere.

These stars are called OB stars, which come from hot, massive, and incredibly luminous stars that are, on average, over 20 times more massive than our own Sun. OB stars are distinguished from other stars due to their extreme temperatures and their tendency to appear blue in color. Since OB stars are incredibly luminous, they stand out even in crowded star fields.

Due to their short lifespans, OB stars are not found in stellar populations that are older than a few million years. Therefore, they are a key indicator of recent star formation, and can be seen in galactic collision regions, where immense amounts of energy and new stars are being produced.

To know more about galactic , click here:

https://brainly.com/question/32820714

#SPJ4

1 ) Earthquakes occur where rocks

Select one:

a. slide past one another

b. push against one another

c. are pulled away from one another

d. all of the above

2) The Earthquakes that occur in California are due to the San Andreas fault, which is where two plates

Select one:

a. push into one another

b. pull away from each other

c. slide past one another

d. all of the above

Answers

An earthquake is a sudden shaking or trembling of the Earth's surface caused by the release of accumulated energy in the Earth's crust and movement of tectonic plates.

1)  d. all of the above.

Earthquakes can happen when rocks slide past one another

(a), push against one another

(b), or are pulled away from one another

(c). The specific type of fault movement determines the nature of the earthquake.

Earthquakes can happen when rocks interact along different types of fault lines. When rocks slide past each other (transform boundary), push against each other (convergent boundary), or are pulled apart (divergent boundary), seismic energy is released, causing the ground to shake and leading to an earthquake.

2)  c. slide past one another.

The San Andreas fault is a transform boundary where the Pacific Plate and the North American Plate slide horizontally past each other, causing frequent seismic activity in California.

Learn more about earthquake here:

https://brainly.com/question/28102779

#SPJ4

Human activity such as agriculture, forestry, and damming rivers can contribute to external landscape processes.
True or False

Answers

The statement is True. Human activities such as agriculture, forestry, and damming rivers can indeed contribute to external landscape processes.

Human activities have a significant impact on the Earth's landscape and can contribute to various external landscape processes. Agriculture, for example, involves the cultivation of crops and the rearing of livestock.

The conversion of natural landscapes into agricultural fields can lead to changes in land cover, soil erosion, and alterations in hydrological patterns. These processes can have consequences for the overall landscape and affect ecosystems and biodiversity.

Forestry practices, including logging and deforestation, also play a role in external landscape processes. Deforestation involves the clearing of forests for purposes such as timber extraction, agriculture, or urbanization.

This activity not only results in the loss of forest cover but also affects soil stability, water cycles, and habitats for numerous species. Logging practices, when not carried out sustainably, can lead to habitat fragmentation and degradation.

Additionally, damming rivers through the construction of reservoirs and hydropower projects is another human activity that influences external landscape processes.

The impoundment of water creates artificial lakes, alters river flow patterns, and can cause changes in sediment transport downstream. These modifications can impact aquatic ecosystems, alter the natural flow regime, and affect the surrounding landscapes.

In summary, human activities such as agriculture, forestry, and damming rivers can contribute to external landscape processes. These activities can lead to changes in land cover, soil erosion, habitat loss, and alterations in hydrological patterns, impacting the overall landscape and ecosystem dynamics.

Learn more about soil erosion here :

https://brainly.com/question/28882665

#SPJ11

what happens to the conductive properties of wood when it gets very hot?

Answers

Wood is subjected to high temperatures; its conductive properties improve due to increased thermal conductivity and decreased moisture content.

Wood is exposed to high temperatures, its conductive properties change significantly.

Wood is generally considered a poor conductor of heat, meaning it does not readily conduct heat and transfers it slowly.

However, when wood gets very hot, several changes occur.

Firstly, as the temperature of wood increases, its thermal conductivity tends to improve.

Heat energy starts to move more rapidly through the wood due to the increased kinetic energy of the molecules.

This means that the wood becomes a slightly better conductor of heat compared to its normal state.

Secondly, as wood heats up, its moisture content begins to decrease. Wood contains water within its structure, and as the temperature rises, this water evaporates.

The loss of moisture leads to changes in the wood's physical properties, including an increase in its density.

This denser wood can conduct heat more efficiently than wood with higher moisture content.

Furthermore, at extremely high temperatures, wood can undergo chemical changes such as pyrolysis or combustion.

Pyrolysis refers to the decomposition of wood caused by heat, resulting in the release of flammable gases and the formation of charred residue.

Combustion occurs when the temperature exceeds the wood's ignition point, leading to the production of flames and the complete burning of the wood.

At extremely high temperatures, wood can undergo chemical changes, such as pyrolysis and combustion, which significantly alter its properties.

For similar questions on wood

https://brainly.com/question/28109525

#SPJ8

FILL THE BLANK.
the _______ of a social group are influenced by many factors, including a common geographical location, politics, education, religion, or personal interest.

Answers

The dynamics or characteristics of a social group are influenced by various factors such as geographical location, politics, education, religion, and personal interest.

The dynamics of a social group refer to the behaviors, interactions, and characteristics exhibited by individuals within that group. These dynamics can be shaped by multiple factors that contribute to the collective identity and shared experiences of the group. One crucial factor is a common geographical location. People living in the same region often develop similar cultural norms, traditions, and values based on their shared environment and interactions with one another.

Politics also play a significant role in shaping the dynamics of a social group. Political ideologies, policies, and governance systems influence the social, economic, and legal structures within a society, which in turn impact the behavior and relationships within social groups.

Education is another influential factor. The level of education attained by individuals in a social group can affect their perspectives, knowledge, and access to opportunities. Education contributes to shaping values, beliefs, and social behaviors within a group.

Religion plays a vital role in many societies, influencing moral codes, beliefs, rituals, and social norms. Religious affiliations can create common bonds among individuals in a social group and shape their behaviors and interactions.

The personal interests and preferences of individuals within a social group can also influence group dynamics. Shared hobbies, passions, or goals can bring people together and contribute to the formation of social groups based on common interests.

Learn more about the social group here:

https://brainly.com/question/24769813

#SPJ11

TRUE / FALSE.
Oxbow lakes form when rivers flow onto the more level land at the base of mountain slopes.

Answers

"Oxbow lakes form when rivers flow onto the more level land at the base of mountain slopes" is false. The statement is False.

What are Oxbow Lakes?

Oxbow lakes are U-shaped water bodies that appear when a river or stream is no longer flowing along its normal path. Oxbow lakes are created when meandering rivers cut through the land and begin to deposit sediment, reducing the flow of water in some regions and creating lakes in others. The river may change direction or the sediment build-up may cause the water to flow around the meander, resulting in an oxbow lake being formed.

The rivers flowing on the more level land at the base of mountain slopes can form floodplains, and not oxbow lakes. Oxbow lakes can only be formed in lowland regions, whereas mountain rivers are generally in highland regions.  The statement is False.

Learn more about floodplains

https://brainly.com/question/1000851

#SPJ11

what attitude characterized american politics during the jacksonian era?

Answers

The attitude that characterized American politics during the Jacksonian era was one of populism, expansionism, and the belief in the power of the common man.

During the Jacksonian era (1820s-1840s), American politics were characterized by populism, expansionism, and a belief in the power of the common man. Andrew Jackson championed the interests of the average citizen, pursued westward expansion, and emphasized individual liberty while challenging centralized government power. This era marked a significant shift in American politics and had a lasting impact on the nation.

To know more about American politics click here,

https://brainly.com/question/28719685

#SPJ11

Fill in the blank with the appropriate word or phrase.
01-01. How long is the period of rotation of the Earth?
01-02. How long is the period of tevolution of the Earth?
01.03. When viewed from cuter space toward the North Pole. What is the direction of rotation of the Earth (choose esther clockwise of counherclockwisel?
01.04 When viewed from outer spsce towsid the North Poic, what is the di rection of revolution of the Earth (choose either clockwise or counterclockwisal?
01.05: How many degrees of latitude wit the verticil rays of the Sun travel from June 21 to December 21 ?
01.06. How many times during the course of a year wil an observer at 5′
S latitude experience the vertical rins of the Sun?
01.07. How many times during the course of a yost wil an observer at. 25 ' N latitude experience the vertical rays of the Sun?
01-08. What is the farthest southerty latitude that the vertical rays of the Sun occur?
01.09. What day of the year is it if the declindtion of the Sun is0 4 N/3 and the length of daylight hours is beginning to increase in the Southern Hemisphere?
01-10. What parallel experiences approximately equal fengths of doy and night every doy of the year?
01-11. At what parasel are the Sun's rays on the soutiem horizon at solar noon on December 21 ?
01-12. How long will an observer at the North Pole have to wait to see the first rays of the Sun it the date is December 21?
01-13. On what date will s person living in Huntsville, Texas (31 N N) experience the most intense rays of the noonday Sun? 01-14. What is the longest day of the year for an observer in Houston, Texas?

Answers

The period of rotation of the Earth is approximately 24 hours. The period of revolution of the Earth around the Sun is approximately 365.25 days.

01-01 The period of rotation of the Earth is approximately 24 hours.

01-02. The period of revolution of the Earth around the Sun is approximately 365.25 days.

01.03. When viewed from outer space toward the North Pole, the direction of rotation of the Earth is counterclockwise.

01.04. When viewed from outer space toward the North Pole, the direction of revolution of the Earth is counterclockwise.

01.05: The vertical rays of the Sun travel approximately 47 degrees of latitude from June 21 to December 21.

01.06. An observer at 5°S latitude will experience the vertical rays of the Sun twice during the course of a year.

01.07. An observer at 25°N latitude will experience the vertical rays of the Sun once during the course of a year.

01-08. The farthest southerly latitude where the vertical rays of the Sun occur is 23.5°S (Tropic of Capricorn).

01.09. If the declination of the Sun is 0°4'N/3 and the length of daylight hours is beginning to increase in the Southern Hemisphere, it is around September 23, which marks the September Equinox.

01-10. The parallel that experiences approximately equal lengths of day and night every day of the year is the Equator (0° latitude).

01-11. The Sun's rays on the southern horizon at solar noon on December 21 can be observed at the Antarctic Circle (66.5°S).

01-12. An observer at the North Pole will have to wait for approximately 6 months, until the March Equinox, to see the first rays of the Sun if the date is December 21.

01-13. A person living in Huntsville, Texas (31°N), will experience the most intense rays of the noonday Sun around the June Solstice, which occurs around June 21.

01-14. The longest day of the year for an observer in Houston, Texas, typically occurs around June 21, during the June Solstice.

Learn more about latitude here:

https://brainly.com/question/17500331

#SPJ11

Other Questions
20) Energy density of electric field in free space is calculated by the formula: D. CU/2 A. B/2o B. & E2/2 C. LP/2 Canyou give me an example of a problem solving that involvesunsatisfied and unhappy employee that comes to the consultantmanager. Can be underpayment or no holidays. And a solution to thisproblem We know that the amount of money that individuals want to hold will:Select one:a. decrease as the interest rate increases.b. increase as the interest rate increases.c. decrease as income increases.d. increase as financial wealth increases.e. increase as income decreases. If an oak cask bursts when the fluid pressure at the center of the cask reaches \( 54.2 \mathrm{kPa} \) above atmospheric pressure, what height in meters to two significant digits would the experiment Question 11 The director of TYH Plc has heard of something called the IASB conceptual framework and they ask you to explain why there is a need for such a framework within accountancy. Part A REQUIRED: Write a report to the director highlighting the IASB conceptual frameworks guidance, purpose and scope within the financial reporting function. (10 marks) Part B The Director of XYZ Plc has heard of 'impairment' but is not sure how it would affect the financial statements of XYZ Plc. Knowing that you are an accounting and finance student, she asks you for advice. REQUIRED: Write a report describing what is meant by 'impairment' and briefly explain the procedures that must be followed when performing an impairment review. Nuyen Services Company records the payment of \( \$ 500 \) cash for a previously accrued expense and the accrual of \( \$ 32 \) for another expense. What is the impact of these two entries on total expense A light bulb in Germany is connected to a 220V average source. If it is a 50 Watt bulb how much current is it drawing? 2. A current carrying loop of wire lies flat on a table top. When viewed from above, the current moves around the loop in a counterclockwise sense. For points INSIDE the loop, the magnetic field caused by this current is in what direction? T/F: a trade discount is a payment to a dealer for promoting the manufacturers products. (a) Find the magnitude of the average force needed to hold onto the child. ________ N (b) Based on the result to part (a), is the man's claim valid? (c) What does the answer to this problem say about laws requiring the use of proper safety devices such as seat belts and special toddler seats? What are some of the major factors that influence foreign exchange rates? Assume the following: - The actual price per pound is $2.25. - The standard quantity of pounds allowed per unit of finished goods is 4 pounds.- The actual quantity of materials purchased and used in production is 50,000 pounds.- The materials price variance is $12,500U. - The materials quantity variance is $4,000 F.What is the total number of units produced (finished goods) during the period? Multiple Choice a 12,500 urits b 12.000 units c 13,000 units d 14,000 units If f(x)=sin(x) Find f(1)Find f(1) Shimmer Co. deposits all receipts intact on the day received and makes all payments by cheque. On July 31,2020 , after all posting was completed. its Cash account showed a $10,919 debit balance. However, Shimmer's July 31 bank statement showed only $10,062 on deposit in the bank on that day along with the following information. a. Outstanding cheques, $2.752. b. Included with the July cancelled cheques returned by the bank was a $62 debit memo for bank services. c. Cheque #919, returned with the cancelled cheques, was correctly drawn for $237 in:payment of the utility bill and was paid by the bank on July 15. However, it had been recorded with a debit to Utilities Expense and a credit to Cash as though it were for $327. d. The July 31 cash receipts, $3,637, were placed in the bank's hight depository after banking hours on that date and were unrecorded by the bank at the time the July bank statement was prepared. Required: a. Prepare a bank reconciliation for Shimmer Co. at July 31 . b. Give the joumal entries that Shimmer Co. should make as a result of having prepared the bank reconciliation in part (a). Journal entry worksheet 2 Identify whether profit, assets, liabilities, and equity would be over-or understated if the journal entries in part (b) were not recorded. (If there is no effect on any of the elements, select "No effect".) Project managers should have a basic understanding of how the payback period plays an influential role when a project might be selected. the basic knowledge in payback method? initial investment of 120k and a payback period of 18 months. Which project should you recommend? Give your justification. 1. Salaries of 11 college graduates who took a statistics course in college have a mean of $88,620 and a standard deviation of $1,384. Assume that prior studies have shown that the standard deviation of salaries of college graduates who have taken a statistics course in college is $2000. Construct a 98% confidence interval for estimating the population mean.2. Salaries of 11 college graduates who took a statistics course in college have a mean of $76,817 and a standard deviation of $1,527. Assume that prior studies have shown that the standard deviation of salaries of college graduates who have taken a statistics course in college is $2000. Construct a 95% confidence interval for estimating the population mean.3. John wishes to estimate the population mean salary of college graduates who took a statistics course in college. How many college graduates must he survey? Assume that the population standard deviation is known to be $1,580, and he wants to be 95% confident that the sample mean is within $167 of the true population mean.4. Salaries of 25 college graduates who took a statistics course in college have a mean of $81,195 and a standard deviation of $1,644. Construct a 95% confidence interval for estimating the population standard deviation.5. John wishes to estimate the population standard deviation of salary of college graduates who took a statistics course in college. How many college graduates must he survey? Assume that he wants to be the sample standard deviation to be within 10% of the population standard deviation and to be 99% confident of that statement. A 3.4-cm-diameter parallel-plate capacitor has a 2.5 mm spacing. The electric field strength inside the capacitor is 5.010^4 V/m . A) What is the potential difference across the capacitor? Express your answer to two significant figures and include the appropriate units. B) How much charge is on each plate? Express your answer to two significant figures and include the appropriate units. a) What were some of the challenges the trade union movement facedduring the colonial periods?Major TopicTRADE UNIONS AND CHALLENGESFACEDb) Explain the conditions that must be met for a CollectiveBargaining Agreement to be valid?Major TopicBARGAINING AGREEMENTc) Discuss the main theories of industrial relations? Use relevantexamples to support your answer.MajoTHEORIES OF INDUSTRIAL RELATIONSd) Provide the factors a buying organisation might consider whenestablishing its bargaining position in relation to a supplier?Major TopicBARGAINING AGREEMENT Suppose that the T-account for Bank AAA is as follows: 1. The required reserve ratio for Bank AAA is 10% percent. 2. The money multiplier for Bank AAA is 3. Bank AAA could further extend new loans by $.Previous questionNext quest one of the most difficult aspects of conversation can be Describe the role of the "bus system" of a satellite