Lowers population of pest is the advantages of disposing of municipal solid waste in sanitary landfills whereas high cost and damage to health are the disadvantages of disposing of municipal solid waste in sanitary landfills
What are the advantages and disadvantages of disposing waste in sanitary landfills?The main advantage of disposing of municipal solid waste in sanitary landfills is that it minimizes pests such as rodents and insects that can carry many diseases. The disadvantage disposing of municipal solid waste in sanitary landfills is that it can be costly and can cause problems with a sanitary landfill is the environmental hazard.
So we can conclude that lowers population of pest is the advantages of disposing of municipal solid waste in sanitary landfills whereas high cost and damage to health are the disadvantages of disposing of municipal solid waste in sanitary landfills.
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Incineration has the advantage of reducing the volume of the final waste that should be disposed thereby helping in the process of waste disposal.
What is a landfill?A landfill is an area that has been set aside for the disposal of refuse. It is a large area that could consist of an open pit into which refuse could be poured from time to time.
Now, incineration has to do with the burning of waste materials. The sanitary landfills tend to protect the environment from the possible release of harmful fumes and carbon wastes. On the other hand, the disadvantage of the sanitary land fills is that there is the possibility of ground and surface water contamination by toxic materials.
Incineration has the advantage of reducing the volume of the final waste that should be disposed thereby helping in the process of waste disposal.
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What causes the characteristic thrashing motion of nematodes?
A. the fluid-filled body cavity
B. the pseudocoelom that acts as a hydroskeleton
C. the blunted head and pointed tail
B. the pseudocoelom that acts as a hydro skeleton causes the characteristic thrashing motion of nematodes.
The longitudinal muscles of nematodes are contracted to move them. The animal moves by thrashing back and forth because to the tremendous internal pressure that forces the body to flex rather than flatten. Nematodes only have longitudinal muscles, not the two bands of muscles found in other worms. They can only move by clenching the lengthy muscles on either side of their body and wiggling forward, which explains their distinctive thrashing motion.The pseudocoelom serves as a lubricant between tissues, houses coelomocytes, and generates turgor-hydrostatic pressure for the entire animal.Because it is fluid-filled, the fluid's hydrostatic qualities enable a more rigid construction, greatly improving the efficiency of the skeletal system and movement.learn more about nematodes here:
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Answer: B. the pseudocoelom that acts as a hydroskeleton
Explanation:
What is the purpose of the classification system?
A. to group living organisms from largest to smallest
B. to classify and better understand organisms
C. to organize living organisms into the order they were discovered
D. to understand the uses living organisms can have to society
Which molecules are added to an electrophoresis buffer for the purpose of denaturing dna?
Formamide molecules are added to an electrophoresis buffer for the purpose of denaturing DNA.
What is the purpose of the buffer during electrophoresis?A laboratory procedure called electrophoresis is used to divide DNA, RNA, or protein molecules according to their size and electrical charge. The molecules are moved by an electric current through a gel or other matrix. In the case of Denaturing Gradient Gel Electrophoresis (DGGE), the gradient can be an electrical field or a denaturant such as a solution of urea and formamide.
Size, charge, and other characteristics are used in electrophoresis to separate macromolecules like protein and nucleic acids. Scientists utilize buffer to transport the charge through the gel for electrophoresis that separates by charge. Additionally, the buffer keeps the gel's pH steady, reducing alterations that would take place in the protein or nucleic acid if the pH were to become unstable.
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Most of the air we breathe is made of what molecule?
A. Carbon dioxide
B. Water vapor
C. Nitrogen
D. Oxygen
Answer:
C. Nitrogen
Explanation:
The composition of air is as follows:
nitrogen 78%
Oxygen 21%
carbon dioxide 0.03 %
water vapour 0.2 to 0.4 %
The process of diffusion does not require any energy. Why?
A. The particles are always moving AWAY from equilibrium.
B. The particles move TOWARDS equilibrium.
C. We don't know why diffusion doesn't require energy.
The process of diffusion does not require any energy because the particles move towards equilibrium (option B).
What is diffusion?Diffusion is the movement of fluids (gases) from a region of high concentration toward regions of lower concentration.
Diffusion is termed a passive transport because it does not require energy to occur.
Diffusion as a transport mechanism does not require energy in form of ATP because it moves molecules towards/down a concentration gradient.
Therefore, the process of diffusion does not require any energy because the particles move towards equilibrium.
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the value of a reflex angle lies between
Answer:
reflex angle is an angle that measures more than 180 degrees and less than 360 degrees
Answer:
more then 180 degree and less then 360 degree
In the US, in an average year, 20% of people will help their parents with their printer and 50% will carefully place a spider outside. What is the probability of the population that will both help their parents with their printer and carefully place a spider outside? (Type answer as a probability between 0 and 1)
Answer:
The probability would be 0.
The probability of the population will be 0.
What are the different types of population ?
A discrete groups of individuals with identifiable characteristics called a population.
It consists of a same group of species resides in a particular geographical location and interbreed there.
In a population not all individuals are able to survive and reproduce because of genetic variations in them.
Finite Population or countable population in which the population can be countable.
Infinite Population or uncountable population in which the counting if the population is impossible.
Existent Population of concrete individuals, whose unit is available in solid form.
Hypothetical Population whose unit is not available known as the hypothetical.
Most of the populations are unstable due to the presence of various physical factors and it act as limiting factors against exponential growth.
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Agoraphobia may be characterized by which of the following
losing the desire to work or learn
having delusions and hallucinations
feeling hot and dizzy
being scared of heights
Answer:
Feeling hot and dizzy
Explanation:
Vertigo, sweating, feeling dizzy, and a sense of impending unconsciousness or passing out are other symptoms.
Agoraphobia may be characterized by feeling hot and dizzy. The correct option is C.
What is Agoraphobia?An uncommon form of anxiety condition is agoraphobia. Your fears prevent you from going out into the world if you have them. You steer clear of particular locations and circumstances because you fear getting stuck and being unable to receive assistance.
The signs of agoraphobia are fear of transportation in general, wide-open areas (parking lots, bridges), closed-in places (stores, movie theaters) (stores, movie theaters), and throngs of people or lines. It is also a fear in which you van not go outside your home.
The disorders may be pain in fear, chest pain, diarrhea, sweating, dizziness, and swelling.
Thus, the correct option is C. to feel hot and dizzy.
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9. What does each letter in the diagram below represent?
A.
B.
C.
D.
E.
F.
F
G.
H.
I.
J.
C
The layers composing the Earth are the core, mantle, and Crust. A) Internal core, B) External core, C) Mesosphere, D) Astenosphere, E) Lithosphere, F) Oceanic crust, G) Continental crust, H) Litosphere, I) Superior mantle, J) Astenosphere
What are the layers of the Earth?Three main layers compose the Earth.
The crustThis is the most external layer.
It is located right upon the mantle and is divided into many plates, that move over it.
It is composed of the oceanic basaltic plate (6-12 km) and the uppermost continental granitic plate (25-70 km).
The mantleThis is the second layer that composes the Earth.
It is a very hot and dense rock that is capable of flowing.
Convection currents occur in this layer, rising hot melted material from the deepest region and sinking cold solid material from the surface.
Three layers compose the mantle,
Upper mantle (40-400km)Transition zone (400-670km)Inner mantle (2285 km)The coreThis is the third layer and is divided into two sublayers,
- the solid inner core (1216 km)
- the liquid outer core (2270 km)
The core is mainly composed of Ferrum and nickel, and its temperature is about 6000ºC.
The extremely high temperatures are closely involved in material circulation, keeping the Earth's surface temperature, and electromagnetic field.
The core composes the EndosphereThe Internal mantle composes the MesosphereThe Transition zone and superior mantle compose the AstenosphereThe Crust composes the LithosphereA) Inner core
B) Outer core
C) Mesosphere
D) Astenosphere
E) Lithosphere
F) Oceanic crust
G) Continental crust
H) Litosphere (Crust)
I) Upper mantle
J) Astenosphere
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Bona has started reaction to the sound of a loud "POP". immediately before the pop,a light flashes.after several times.bona has started reaction the flash of light.
A. what is unconditional stimulus
B, what is confidential stimulus
C, what is NS
D, what is unconditional response
The flash of light thus associated can now be called the conditioned stimulus.
What is stimulus?The term stimulus has to do with response to particular occurrence. This is well captured in the area of behavioral psychology. We know that the organism can be trained to respond to a certain stimulus when it is presented.
Now if a stimulus elicits a particular reaction and then another stimulus is presented immediately after the first one such that the organism learns to associate the second stimulus with the first, the organism would over time begin to respond to the second stimulus in the same manner as the first.
Now we can see that in this case, the light flash follows the POP sound. This implies that organism would overtime associate the sound and the light. This flash of light thus associated can now be called the conditioned stimulus.
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a sharp knife cuts more easily than the blunt ones. Give reason.
Answer:
A sharp knife can cut objects more easily compared to a blunt knife because a sharp knife applies more pressure on the object.
What is a change in the DNA sequence that can be beneficial harmful or niether ?
Answer:
A mutation
What can cause changes in a DNA sequence?
A mutation is a change in the DNA sequence. There are several different methods by which mutation happens. Of course, chemically produced mutations receive the most media attention. There are a wide range of substances that can cause mutations, usually by attaching to the DNA and causing it to break, requiring an incomplete repair, or by preventing DNA replication, forcing the replication machinery to repeat the DNA poorly.
However, other factors, such as exposure to radiation or light, can also cause DNA mutations. In reality, UV and X ray light are known to cause mutations by changing the DNA's base composition or causing DNA breaks.
Mutations are also spontaneously caused by DNA replication. Although it occurs extremely infrequently, the replication complex does occasionally make mistakes and insert the incorrect DNA base, which leads to a significant amount of mutations over the course of generations.
Thank you,
Eddie
A mutation in the DNA sequence can be beneficial, harmful, or neither, depending on its impact on the organism.
Mutations—changes in the DNA sequence—can affect an organism. Mutations that improve survival and reproduction are helpful. Mutations can make an organism disease-resistant or adaptable.
Mutations can affect the organism's health or fitness. Mutations can cause genetic diseases, diminished fertility, and lower survival rates. Neutral mutations don't affect the organism's phenotypic or fitness. They may occur in non-coding DNA or silently modify the genetic code, leaving the amino acid sequence of a protein untouched.
Mutations' effects depend on their genomic location, gene function, and environment. Some mutations help evolution and adaptability, whereas others harm individuals or populations.
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What makes human beings more dominant than other species?
use of technology
ability to reproduce
ability to move
life span
Answer:
use of technology and life span and also ability to reason
Brooke was supposed to visit her mother for dinner. She has been in bed all day, however, and does not have the energy to shower and get dressed. Brooke would likely be diagnosed with
post-traumatic stress disorder
a specific phobia
obsessive-compulsive disorder
major depressive disorder
Answer:
Brooke would likely be diagnosed with major depressive disorder because she's telling herself she has no energy showing lack of interest in what's planned and in other words 'lazy'
She might be suffering from major depressive disorder. As she is lacking the energy to do her work and it could be because of the drained energy in her mind.
What is the reason for such situations ?In this situation a person is either living alone or going through some difficult situations and unable to cope through the situations.
In the cases of excess depression the person is struggling through the mental thoughts and are not able to do their work properly. People like these are usually absent minded and they usually are lacking interest in the crowd.
In such situation the person should go to the family gatherings and the outings, learn to go out of their comfort zone. In such situations people like these situations should talk about their feelings out and try to find the conclusion with a wise situation.
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How does a focus differ from an epicenter?
Which of these describes the levels of organization of an animal? A. Tissues are composed of organs, which are composed of cells. B. Organs are composed of cells, which are composed of tissues. C. Organs are composed of tissues, which are composed of cells. D. Tissues are composed of cells, which are composed of organs.
Answer:
C. Organs are composed of tissues , which are composed of cells .
The animals are generally organized in a fashion that, the organism is composed of organs, which are composed of tissue, and tissues are composed of cells. So, option C is correct.
The cells are called the building block of life and come last under this hierarchy.
The hierarchy which follows the organization structure of cells, tissues, and organs follows the given criteria :
The cells are made up of cellular organelles, which are organized in a fashion that is required for the specific function of a cell.
The collection of a group of cells having the same physiological structure and function makes up the tissue.
The tissues with the same function and structural organization collectively make up the organs.
The different kinds of organs, contributing to myriads of functions of the body, make up a human body, live and well functioning.
Therefore, option C is correct.
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Why are SNPs important to the study of genetics?
A. They are only found in primates.
B. They are sources of variation that can help scientists better study genomes.
C. These are the only places on the genome that do not code for anything.
D. These are the places on the genome that have not been sequenced.
Answer:A
Explanation:
A mass of cells that have lost all restraint in division and are piled on top of one another is called a _____
Answer:
A mass of cells that have lost all restraint in division and are piled on top of one another is called a Tumor.
Name each structure
Answer:
The organ is the female reproductive organ , the uterus
and the green arrow points to the cervix
What are the ecological relations the takes place in terrestrial ecosystem grassland?
A terrestrial ecosystem is a population of land-based species and the relationships between biotic and abiotic elements in a specific space. The tundra, taigas, temperate deciduous woods, tropical rainforests, grasslands, and deserts are a few examples of terrestrial ecosystems. A location's temperature range, average annual precipitation, soil type, and amount of light all affect the sort of terrestrial ecosystem that can be found there.
What is an ecosystem?Plants, animals, and other species are biotic factors. Along with rocks, temperature and humidity are abiotic variables.The health of the entire Earth system is determined by ecosystems, which are the basis of the biosphere.Every component of an ecosystem is directly or indirectly dependent upon every other component. An ecosystem's temperature changes frequently have an impact on the types of plants that may flourish there, for example. Animals that rely on plants for food and shelter must evolve with the times, relocate to another ecosystem.Even the Gobi's chilly desert ecosystems are different from Antarctica's icy desert ecosystems. A continent almost entirely composed of barren, Antarctica is covered by a massive ice sheet. This arid ecology supports only a small number of birds, including skuas, and only a few mosses thrive there.To learn more about ecological, refer to:
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After recent renovations to an office building, employees in the building begin complaining of nausea and burning in their eyes and throat. What type of exposure is most likely causing these reactions?
Lead
Asbestos
Pesticides
Formaldehyde
The correct answer is Formaldehyde.
Formaldehyde
Building materials such as particleboard, plywood, and other pressed-wood products contain formaldehyde, a colorless, pungent-smelling, combustible chemical that is generated industrially. It is additionally frequently utilized in morgues and medical labs as a preservative, fungicide, germicide, disinfectant, and preservative. Environmental sources of formaldehyde are also common. It is created during the natural chemical reactions that occur in most living things as well as during the decomposition of plant matter in soil. It can also be detected in tobacco smoke as a byproduct of combustion. Inhaling formaldehyde gas or vapor from the air or absorbing formaldehyde-containing substances via the skin are the two main ways that people are exposed.
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After recent renovations to an office building, employees in the building begin complaining of nausea and burning in their eyes and throat. What type of exposure is most likely causing these reactions?
Lead
Asbestos
Pesticides
Formaldehyde
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The Greek scientist Galen theorized that:
A. Food was turned into blood, and when it reached the heart it was mixed with air to make 'spirit.'
OB. That heartrate can be determined by measuring the pulse.
C. That the heart and lungs were linked, and worked together to sustain life.
D. Blood was pumped from the heart, through the body, and back to the heart.
Answer:
A. Food was turned into blood, and when it reached the heart it was mixed with air to make 'spirit.'
Explanation:
Galen believed a theory of pneuma. That is, he believed that blood contains "vital spirits" released into it by the brain.
what if there are no primary consumers in the ecosystem??
There wouldn't be any secondary consumers in that ecosystem without the primary consumers since there would be no way for carnivores or secondary consumers to get their energy.
Why are primary consumers important?
A primary consumer is important to an ecosystem. They aid in the energy exchange that is necessary for an ecosystem to function properly and avoid collapse. Only primary consumers have the capacity to "harvest" the energy held in producers.
Plants, who are the primary producers, use sunlight to make their own food or photosynthesis. And hence they are known as autotrophs. Following that, primary consumers eat plants. The primary consumers are then eaten for food by secondary and tertiary consumers.
The organisms at the top of the food chain, including humans, then perish. Then, for food, decomposers like bacteria and fungi feed on the remnants. The chemical components of those nutrients are then recycled back into the ecosystem by these decomposers.
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Explain three main features of the following: a) Glycolysis b)Kreb's cycle c)Electron transpot chain
Answer:
A)Glycolysis is one method that cells use to produce energy.
B)a sequence of reactions in the living organism in which oxidation of acetic acid or acetyl equivalent provides energy for storage in phosphate bonds called also citric acid cycle, tricarboxylic acid cycle.
C)electron transport chain is a series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation.
Inherited diseases are caused by:
A. Mutations in genetic material
OB. Mutations in somatic cells
C. Pathogens
OD. Parasites
Answer:
A. Mutations in genetic material
Explanation:
Genetic disorders are typically inherited (passed down) in either a dominant or recessive manner.
Genetic disorders can be caused by a mutation in one gene (or more), by a combination of gene mutations and environmental factors or by damage to chromosomes.
What would happen if in a pcr reaction you used a dna polymerase isolated not from thermus aquaticus, but from an organism that grows at lower temperature?.
There would be very little or no DNA produced if in a pcr reaction you used a dna polymerase isolated not from thermus aquaticus, but from an organism that grows at lower temperature .
What is the purpose of PCR?
To amplify (copy) a gene so it can be detected.
How do the strands separate during PCR?
The hydrogen bonds between the two strands are broken by the DNA polymerase. During the annealing process, the primers split the strands. - The hydrogen bonds between the two strands are broken by the high heat of the denaturation stage.What is a PCR test ?
Targeting particular DNA fragments and amplifying (increasing in number) them artificially is done using the polymerase chain reaction technology. Describe how primers are used in PCR. The primer is a synthetic DNA strand that has bases that are complementary to the bases at the start of the DNA fragment that will be amplified.Learn more about PCR
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Which of the following best describes the action of ATP Synthase
Answer:
The function of ATP synthase is to synthesize ATP from ADP and inorganic phosphate (Pi) in the F1 sector. This is possible due to energy derived from a gradient of protons which cross the inner mitochondrial membrane from the intermembrane space into the matrix through the Fo portion of the enzyme
Explanation:
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6. Living organisms have _____
material which codes for its growth and development
Answer:
genetic
Explanation:
DNA is a form of genetic material. DNA contains the necessary instructions for growth and development.
Living organisms have genetic material which codes for its growth and development.
Thus, Every living creature shares a few traits. The instructions for inheritance are encoded in the genetic code, and children typically resemble their parents.
Asexual reproduction produces children that share the characteristics of their parents. Offspring from sexual reproduction are sometimes different from their parents.
Energy and resources are used by living things to expand, change, and procreate. A group of chemical processes known as metabolic reactions are involved in these life activities.
Organisms have the ability to recognize changes in their surroundings and react to these stimuli. Most living things need their internal surroundings to stay within a pretty narrow range in order to sustain equilibrium.
Thus, Living organisms have genetic material which codes for its growth and development.
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In a community a species of birds has some individuals with a different size and others which statement correctly explains how physical differences in beaks would develop?
Explanation:
Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics.
The demands of a different environment or the characteristics of the members of the new group will differentiate the new species from their ancestors.
Allopatric speciation (1) occurs when a species separates into two separate groups which are isolated from one another.
Each species develops differently based on the demands of their unique habitat or the genetic characteristics of the group that are passed on to offspring.
When small groups of individuals break off from the larger group and form a new species, this is called peripatric speciation (2).
The main difference between allopatric speciation and peripatric speciation is that in peripatric speciation, one group is much smaller than the other.
Like allopatric and peripatric speciation, different habitats influence the development of different species in parapatric speciation.
Sometimes a species that is formed by parapatric speciation is especially suited to survive in a different kind of environment than the original species.
Sympatric speciation occurs when there are no physical barriers preventing any members of a species from mating with another, and all members are in close proximity to one another.
The two types of maggots are not different species yet, but many scientists believe they are undergoing the process of sympatric speciation.
After watching the CrashCourse video on Taxonomy: Life's Filing System, write a summary of three things you
learned about taxonomy from the video. Zooalogy
Watching CrashCourse video, I learned the 3 basic elements of taxonomy, which are the three domains are Archea (formed by prokaryotic beings, such as archaea), Bacteria (formed by prokaryotic beings, such as bacteria and cyanobacteria) and Eukarya (formed by eukaryotic beings).
What is the concept of taxonomy?Taxonomy is the branch of biology responsible for identifying and classifying all animals and plants that inhabit the Earth, based on the different characteristics they share with each other.
What is taxonomy and examples?Taxonomy is the area of Biology that classifies, organizes and describes living beings. It is like a library that organizes each group into its categories, in an order that facilitates understanding and searching for features.
With this information, we can conclude that Taxonomy is a method used in biology to name, identify and classify living beings.
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