Answers
Based on a cost-benefit analysis, society's cost incurred due to pollution will be reduced as the amount of pollution decreases. However, at the same time, the cost of pollution control will increase.
Pollution poses various negative impacts on society, including environmental degradation, health problems, and economic losses. To mitigate these effects, efforts are made to reduce pollution through measures such as stricter regulations, cleaner technologies, and sustainable practices.
As pollution levels decrease, society experiences several benefits. First and foremost, there is an improvement in public health. Reduced pollution means lower rates of respiratory diseases, cardiovascular issues, and other illnesses associated with pollution exposure. This leads to a decrease in healthcare costs, improved productivity, and an overall better quality of life for individuals.
Furthermore, a cleaner environment supports ecosystem health and biodiversity. Reduced pollution contributes to the preservation of natural resources, such as clean air, water, and soil. This, in turn, sustains the ecosystem services that support agriculture, tourism, and other economic activities.
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Related Questions
What is an allele frequency?
Answers
Answer:
the meaning of allele frequency is representing the incidence of a gene variant in a population
Explanation:
Hot water at a hand-washing station should reach at least _____ degrees F.
100
100
116
116
140
140
38
Answers
Water temperature for handwashing should be at least 100˚F (38˚C) , option "A" Helps it removes oils from the hand that can hold bacteria
Lather your hands by patting them together with the soap. Lather the backs of your hands, between your fingers, and under your nails. Scrub your hands for minimum 20 seconds.
Thus, option "A" is correct, Water temperature for handwashing should be at least 100˚F (38˚C).
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Assume that a population of 50
individuals has the following numbers
of genotypes for a gene with two
alleles, B and b: BB = 30, Bb = 10,
and bb = 10. Calculate the
frequencies of the two alleles in the
bopulation's gene pool.
Answers
The population's gene pool, the frequency of the B allele is 0.7 (or 70%) and the frequency of the b allele is 0.3 (or 30%).
To calculate the frequencies of the two alleles (B and b) in the population's gene pool, we can use the allele frequency formula. The allele frequency is the proportion of a specific allele within a population.
Given the genotypes BB = 30, Bb = 10, and bb = 10, we can determine the number of alleles in the population as follows:
Number of B alleles = 2 * (number of BB genotypes) + (number of Bb genotypes)
= 2 * 30 + 10
= 60 + 10
= 70
Number of b alleles = 2 * (number of bb genotypes) + (number of Bb genotypes)
= 2 * 10 + 10
= 20 + 10
= 30
Next, we can calculate the frequencies of the two alleles:
Frequency of B allele = (Number of B alleles) / (Total number of alleles)
= 70 / (70 + 30)
= 70 / 100
= 0.7
Frequency of b allele = (Number of b alleles) / (Total number of alleles)
= 30 / (70 + 30)
= 30 / 100
= 0.3
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Theories say that it is the ______________ of the electrons which determines the behavior of various elements on the periodic table.
Answers
Theories say that it is the arrangement or configuration of the electrons which determines the behavior of various elements on the periodic table.
What is configuration of chemical elements?This refers to the spatial arrangement of atoms in a molecule. The configuration is usually depicted by means of a three-dimensional model (a ball-and-stick model), a perspective drawing, or a plane projection diagram.
Electron configurations of atoms follow a standard notation in which all electron-containing atomic subshells (with the number of electrons they hold written in superscript) are placed in a sequence.
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In an oil spill, why does the oil not mix with the seawater?
Answers
Answer:
Lipids are hydrophobic
Explanation:
Lipids have a tail/chain end with carbon and hydrogen. The head of the molecule is a carboxyl group that is hydrophilic but the head is a lesser part of the fat molecule so lipids do not mix with water.
Answer:
Answer B got it right 100%
Explanation:
on edge
What does an autotroph do?
Answers
Answer: An autotroph is an organism that can produce its own food(using light), water, and carbon dioxide
Carbon is … … … ……… . . . . . . .
Answers
Answer:
A. cycled by carbon-fixing bacteria
Explanation:
This process is also called "Biological carbon fixation."
Here is a more in-depth answer:
Biological carbon fixation or сarbon assimilation is the process by which inorganic carbon (particularly in the form of carbon dioxide) is converted to organic compounds by living organisms. The compounds are then used to store energy and as structure for other biomolecules.
how are graphs in slope of the line used to determine speed as well
Help I need help fast plzz
Answers
Answer:
What does the slope of a graph line tell us about speed?
The slope of the line on a position versus time graph is equal to the velocity of the object. If the object is moving with a velocity of -8 m/s, then the slope of the line will be -8 m/s. If the object has a velocity of 0 m/s, then the slope of the line will be 0 m/s.
Explanation:
All the terms below apply to anthozoans except
medusa
cnidocyst
septa
pharynx
Answers
Answer:
expect
Explanation:
Deer mice are usually dark brown and live in forests with dark soil. However, the deer mice in the Sand Hills of Nebraska are lighter brown and live in an area with light, sandy soil.
Based on this information, what ,begin emphasis,most,end emphasis, likely caused the change in the Sand Hills deer mice?
Answer options with 4 options
A.
Lighter colored mice were preferred by females.
B.
Lighter colored mice came from snowy habitats in the north.
C.
Lighter colored mice had more dominant genes in their new habitat.
D.
Lighter colored mice were more likely to avoid predators and to reproduce.
Answers
Lighter colored mice were more likely to avoid predators and to reproduce. Therefore, option (D) is correct.
The lighter brown coloration of the deer mice in the Sand Hills of Nebraska is likely an adaptation that provides them with a survival advantage in their specific habitat. The light, sandy soil in the area may offer better camouflage for lighter colored mice, making them less visible to predators and increasing their chances of survival.
As a result, these mice would have a higher likelihood of successfully reproducing and passing on their lighter coloration traits to future generations.
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Which of the following statements is not supported by the cell theory?
Although some structures in humans are not made of cells, these structures are made and supported by living cells.
There are some non-cellular entities that are considered non-living even though they demonstrate characteristics of life.
Humans create a zygote by combining gametes with half the amount of information as a regular body cell.
The mixing of organic matter is a common way for new species of organisms to be formed from non-living matter.
Answers
Answer:
Theory 1
Explanation:
All structure are made of cells.
Cells - Tissue - Organ - Organ System - Organism
A rock lies in a river bed in a warm and wet climate. Which factor would speed up its weathering? O A. The rock is buried a few feet under the ground. • B. The precipitation in the area decreases. O c. The flow of the water slows down considerably. O D. The temperature of the water increases. Reset Next
Answers
A rock lies in a river bed in a warm and wet climate, and the factor that would speed up its weathering is the flow of the water, which slows down considerably. That is option c.
What is the significance of the rocks' weathering?In general, the rock weathering that is seen in the river beds is due to the water flowing, which leads to increased erosion and gives the slower moving water more time to dissolve minerals.
Hence, a rock lies in a river bed in a warm and wet climate, and the factor that would speed up its weathering is the flow of the water, which slows down considerably. That is option c.
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bacterial internal membranous structures may appear as [choose three] blank . multiple select question. secreted vesicles lipopolysaccharide extracellular vesicles flattened vesicles tubular membranes spherical vesicles
Answers
Lipopolysaccharide (LPS) is the major component of the outer membrane of Gram-negative bacteria.
What is lipopolysaccharide?
The primary function of LPS is to provide structural integrity and a permeability barrier to protect the bacterial cell from the entry of deleterious molecules such as toxins and bile salts during its inhabitation in the gastrointestinal tract.An endotoxin and biologically active component of the Gram-negative bacterial cell wall that is a Toll-like receptor 4 (TLR4) agonist with potential immunostimulatory activity.An endotoxin and biologically active component of the Gram-negative bacterial cell wall that is a Toll-like receptor 4 (TLR4) agonist with potential immunostimulatory activity.To learn more about bacteria refers to:
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Which of the following statements about feedback regulation of a metabolic pathway is correct?
A) The compound that regulates the pathway acts as a competitive inhibitor or a positive allosteric regulator.
B) The enzyme that is regulated by feedback inhibition is usually the last enzyme in the metabolic pathway.
C) The final product of a metabolic pathway is usually the compound that regulates the pathway.
D) The products of the pathway become the reactants for a different reaction, and thus products are unable to accumulate.
E) Accumulation of the product of the pathway increases further formation of that product.
Answers
Answer:
Correct answer is: B) The final product of a metabolic pathway is usually the compound that regulates the pathway.
Explanation:
Feedback regulation of a metabolic pathway is a mechanism by which the end product of a pathway inhibits an enzyme that catalyzes an early step in the pathway, thus preventing the overaccumulation of the product. This is an example of negative feedback, which maintains homeostasis and optimizes the efficiency of the pathway.
For example, in the synthesis of the amino acid isoleucine from threonine, the final product isoleucine binds to the allosteric site of the first enzyme in the pathway, threonine deaminase, and inhibits its activity. This reduces the rate of the pathway and prevents the excess production of isoleucine.
statement isotonic solution hypotonic solution hypertonic solution 1. the concentration of the solute in the solution is lower than the concentration inside the cell. 2. when a cell is placed in this solution, water will enter the cell by osmosis causing it to swell. 3. the concentration of the solute in the solution is the same as the concentration inside the cell. 4. the concentration of the solute in the solution is higher than the concentration inside the cell. 5. when this solution is injected into the body no cell disruption occurs because no net osmosis occurs. 6. putting a plant in this solution will result in water loss and cause the plant to wilt. 7. the cell will shrivel when placed in this type of solution. 8. when a cell is placed in this type of solution, there will be equal amounts of water moving in and out of the cell at equal rates. for each of the following, do these things. a. tell whether the solution outside the cell is hypotonic, hypertonic, or isotonic. b. tell what will happen to the cell (plasmolysis (shrinks), stays the same, cytolysis (swells).
Answers
Isotonic refers to a solution whose concentration matches that of the cell. Water will therefore enter and exit the cell at comparable rates, resulting in zero net water movement.
Plasmolysis, a process that causes cells to shrink and die when they are immersed in a hypertonic solution. Any external solution with the same solute concentration and concentration of water as bodily fluids is said to be isotonic. There won't be any net water flow in an isotonic solution. Because there is no osmosis, it won't harm cells when taken into the bloodstream. When a plant cell is exposed to this kind of solution, the plant will wilt as a result of water loss and a decrease in turgor pressure (also known as plasmolysis).Because there is no osmosis, it won't harm cells when injected into them. When a plant cell is exposed to this kind of solution, the plant will wilt as a result of water loss and a decrease in turgor pressure (also known as plasmolysis). If a solution's solute concentration is greater than that of the cell and the solutes are unable to permeate the membrane, the liquid will be hypertonic to the cell. The solution is hypotonic to the cell if the concentration of solutes outside the cell is less than inside the cell and the liquids cannot cross the membrane.
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Genes a and b are 10 map units apart, b and c are 20 map units apart, and a and c are 30 map units apart. If a triple heterozygote is testcrossed, among 1,000 progeny, how many are expected to result from double crossovers if there is no interference?
а. 10;
b. 20;
c. can't be determined
d. 30;
e. 60;
Answers
Answer:
20 ( B )
Explanation:
Given data:
a and b are 10 map units apart
b and c are 20 map units apart
a and c = 30 map units apart
condition ; Triple heterozygote testcrossed
number of progeny = 1000
Determine the number of double crossover result
P( crossover between a and b ) = 10/100 = 0.1
P( crossover between b and c ) = 20/100 = 0.2
p( double crossover ) = 0.1 * 0.2 = 0.02
hence number of double crossovers = number of progeny * 0.02
= 1000 * 0.02 = 20
Considering the simulation of antibiotic resistance: briefly explain what happens to a diverse population of bacteria if they are treated repeatedly with the same antibiotic and not all of them die. What was the population's antibiotic resistance level before being exposed to the antibiotic (1 sentence)? What happened to the “good” and antibiotic-resistant bacteria when they were exposed to the antibiotic (1-3 sentences)? What was the population's antibiotic resistance level like after antibiotic treatment (1 sentence)?
Answers
Answer: A diverse population of bacteria that is treated repeatedly with the same antibiotic and not all of them die will eventually lead to the emergence of antibiotic-resistant bacteria that will thrive and become dominant. The population's antibiotic resistance level before being exposed to the antibiotic was low or non-existent. The "good" bacteria will die while the antibiotic-resistant bacteria will survive and reproduce. After antibiotic treatment, the population's antibiotic resistance level will be higher than before.
Explanation:
When jaw become large enough to hold the permanent teeth . The milk teeth fall and permanent teeth appear
Answers
The "exfoliation" or "shedding" of milk teeth is the name of the procedure.
What is the Dentition of Humans?The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).
Four Different Teeth Types and Their Purposes
The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:
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The name "Gastropoda" refers to what feature of this class of mollusks?The foot is positioned on the ventral (bottom) side.The gut is positioned directly above the foot.The gut exhibits a torsion.The foot runs the entire length of the body.
Answers
As we know the Gastropoda are also known as univalves and possess a cephalic area a ventral foot and a dorsal shell. This foot is completely related to their names as comes from the greek word gaster (stomach) and pous (foot), so we can say that the correct answer is the first statement.
Which resource of the ocean floor is not currently being used, but in the future could become an important energy source?
Answers
Answer:
Deep sea creatures and mineral wealth can become a potential energy source.
Explanation:
Deep-sea organisms community that lives deep down near the ocean floor have not been fully explored and thus their holds a potential energy source for the future generations. To extract these deep ocean creatures and make use of their special abilities that can be used as an energy source. The use of deep mining projects can extract many unknown hidden resources that are potential for the future. The corals that live on the ocean floor are also a potential resource for man in the future.Which option identifies the pregnancy complication of most concern in the following scenario?
Max has discovered that one of his ewes is pregnant. He monitors her first month of gestation closely, stops shearing her, and offers her more food and water.
Answers
The option which identifies the pregnancy complication of most concern in the following scenario is referred to as Infectious bovine rhinotracheitis which causes abortion in unvaccinated animals.
What is Abortion?This is referred to the expulsion of the fetus or embryo before they reach the stage of viability due to various factors such as the presence of some types of virus in some animals.
The animals usually get infected through contaminated food and water given to them during the course of the pregnancy which is why a clean and healthy environment is preferable. The pregnancy complication resulting from this is abortion which is therefore the reason why it was chosen as the most appropriate choice.
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The graph shows the results of an investigation into the effect of distance from a light source on the rate of photosynthesis. Based on the data represented in the graph, the rate of photosynthesis_______1______ as the level of available _____2_______ increases. The greatest change in the rate of photosynthesis occurs when the light level is __________3__________. Which table contains the numbers and terms that correctly complete the statements?
Answers
Answer:
A:
increaseslightlowExplanation:
Photosynthesis is a chemical process in plants and other primary producers that is integral to energy production. Carbohydrates containing energy is made from light, water and carbon dioxide in the form of glucose molecules.
As a result, the waste product oxygen is released. Photosynthesis is a rate-limited reaction, depending on many factors, including the concentration of carbon dioxide, atmospheric temperature and intensity of light. Because the energy needed is derived from photons, i.e. light particles, lower light intensities lower the rate of photosynthesis significantly.
is
1. The Inuit, a group of culturally similar indigenous
people inhabiting the Arctic regions of Greenland,
Canada and Alaska, eat a lot of meat from seal,
walrus and whales. Seals, walruses and whales are
marine mammals that live in cold water and have a
thick layer of blubber to stay warm. Which
biomacromolecule are the Inuits consuming the
most with this diet? (SB10, DOK 2)
a. DNA
b. glucose
c. lipids
d. starches
in Biology, was co
liquids from vario
molecules might b
Marta add
containing an unkr
a different test tub
same unknown liqy
before they were a
the contents of the
solutions are record
Beaker
Solutio
2. Antibodies are made up of amino acids. What type
of macromolecules are antibodies? (SB1c, DOK 2)
Answers
Explain why autotrophs must undergo cellular
respiration.
Answers
This glucose is produced by photosynthesis, which requires CO2 and H2O as reactants.
Cellular respiration produces these required reactants, CO2 and H2O.
Once produced, they can be directly used in photosynthesis to give glucose.
Hope this helps, brainliest would be appreciated :)
Answer:
I did all the calculations and it says....your mom. Be more smart next time!
Explanation:
because I said so plus that is wrong there isn't a both.
When comparing two organisms of similar shape, which size organism (large or small) will retain more heat in a cold environment
Answers
When comparing two organisms of similar shape, large size organism will retain more heat in a cold environment.
What are the characteristics of organisms?In biology, an organism is any living system that functions as an individual entity. All organisms are composed of cells. The idea of organism is based on the concept of minimal functional unit of life.
Organisms are classified by taxonomy into groups such as multicellular animals, plants, and fungi; or unicellular microorganisms such as protists, bacteria, and archaea.
An organism is a living being that has a cellular structure and that can independently perform all physiologic functions necessary for life. In multicellular organisms, including humans, all cells, tissues, organs, and organ systems of the body work together to maintain the life and health of the organism.
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(c) Researchers analyzing the SIRT3 gene sequence engineer a SIRT3 gene that is identical to the normal gene
except that a single nucleotide has been deleted from the 5' end of the second exon of the gene; the deletion does
not affect splicing. The researchers
introduce this gene into normal stomach cells to determine how the primary
AND tertiary structures of the protein expressed from the engineered SIRT3 gene will compare with the protein
expressed from the normal SIRT3 gene in these cells. Predict the results of this experiment. The researchers
claim that the data in Figure 3 provide evidence that the stomach cancer cells
perform fermentation to a greater
extent than do normal stomach cells. Provide reasoning to justify the claim. Based on the information provided,
predict the effect on the ratio of NADH/NAD+ in the cells treated with the compound that blocks the electron
transport chain compared with similar cells not treated with the compound.
Answers
It is expected that this single nucleotide deletion does not affect the functioning of the protein since this modification didn't alter gene splicing. Cancer cells may have high metabolic activity.
The metabolic characteristics of cancer cellsCancer cells exhibit more plastic phenotypes than normal cells, thereby mutations of genes associated with metabolism in cancer cells may lead to a selective advantage to generate ATP and thus increase their metabolic rate.
In consequence, it is expected that stomach cancer cells can perform fermentation at a faster rate than normal cells because they may exhibit high metabolic activity.
Finally, the NADH/NAD+ ratio will be decreased in cells treated with a compound that blocks the electron transport chain because NAD+ is reduced to NADH during this step of cellular respiration.
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ASAP!!!A scientist designed an experiment to test where a plant's matter came from. She
measured the starting mass of a willow tree, the soil, and the container. After five
years, she repeated the measurements and observed that the tree gained 74 kg (164
lbs) but the soil had not changed much at all (only lost 57 g, approximately 0.12 lbs).
1. Use evidence, from the results, to explain that the idea that the mass of a tree
comes from the soil, is incorrect. 2 points
2. Why is it incorrect to say that the tree's mass comes from sunlight? 1 point
3. If the mass of the tree does not come from the soil or sunlight, explain the trees
increase in mass. 2 points
Answers
Explanation:
The fact that the soil did not change significantly after five years, while the tree gained 74 kg, suggests that the tree's mass did not come from the soil alone. If the tree had gained all its mass from the soil, the soil would have lost an equivalent amount of mass, which did not occur. Therefore, this evidence suggests that the mass of a tree does not come solely from the soil.
While sunlight is necessary for photosynthesis, which allows the tree to produce glucose, the mass of a tree does not come directly from sunlight. Rather, the tree uses the glucose produced during photosynthesis to build its own tissues, such as leaves, branches, and roots. Therefore, while sunlight is necessary for the tree to grow, it is not the source of the tree's mass.
The tree's increase in mass is primarily due to the process of photosynthesis. During photosynthesis, the tree uses energy from sunlight to convert carbon dioxide and water into glucose, which it then uses to build new tissues. Additionally, the tree may have also taken up nutrients, such as nitrogen and phosphorus, from the soil, which it incorporated into its tissues. However, it's important to note that the majority of the tree's mass comes from the carbon that it takes up during photosynthesis, rather than the nutrients in the soil.
URGENT
A steroid hormone approaches its target cell. Which will happen first?
The hormone will enter the nucleus
The hormone will combine with proteins to form lipoproteins
The hormone and its receptor will interact with the DNA
The hormone and its receptor will enter the cell’s nucleus
Answers
A steroid hormone approaches its target cell, therefore the hormone will enter the nucleus and is what will happen first which is therefore denoted as option A.
What is a Hormone?This is referred to as a chemical messenger which is released directly into the bloodstream and is responsible for the control of certain metabolic reactions occurring in the cell and an example is steroid hormone such as androgens.
In a situation whereby a steroid hormone approaches its target cell, it first passes through the plasma membrane before it then becomes adhered to the receptors which are present in the nucleus or cytoplasm.
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Complete the sentence using the correct term.
-blank- technology allows us to create combinations of genes from two different species.
Answers
Answer:
Cloning technology
Explanation:
With cloning technology we can replicate and combine different genes to study, save lives, and create new species
Watch the video clip of cells in the small intestine. Name the general location along the villus where the
following processes occur:
Cell Division:
Cell Differentiation:
Apoptosis:
Cell division: The bottom of the villus in the crypt. Cell differentiation: Ascending the villus. Apoptosis: Apex of the villus.
Answers
There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life.
The process by which a parent cell divides into two daughter cells is known as cell division. Cell expansion and chromosome replication come before cell division, which usually happens as part of a prolonged cell cycle. Meiosis produces haploid gametes for sexual reproduction by reducing the number of chromosomes from two of each kind in the diploid parent cell to one of each kind in the daughter cells. Cell division occurs through the process of mitosis, which results in daughter cells that are genetically identical to their parent cells. In cell biology, the cell cycle includes the process of mitosis, in which duplicated chromosomes are split into two new nuclei.
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