(iv) if a sewage treatment plant malfunctions or if low-income areas lack sanitary waste disposal, raw sewage can be introduced into surface waterways. describe one potential environmental problem or one potential human health problem that can result from the presence of raw sewage in surface waters.
Answers
**Potential environmental problem** caused by raw sewage in surface waterways is the contamination of water and degradation of aquatic ecosystems.
Raw sewage contains high levels of nutrients, organic matter, pathogens, and toxic substances that can cause algal blooms, oxygen depletion, and other harmful effects on aquatic plants, animals, and microorganisms. These effects can lead to the death of fish and other aquatic organisms, loss of biodiversity, and the spread of diseases.
**Potential human health problem** caused by raw sewage in surface waterways is the risk of exposure to waterborne diseases. Raw sewage contains harmful bacteria, viruses, and parasites that can cause illnesses such as gastroenteritis, hepatitis A, and cholera. Exposure to contaminated water can occur through drinking, swimming, or other recreational activities in or near the water. In addition, raw sewage can also contaminate sources of drinking water, which can lead to outbreaks of waterborne diseases in communities.
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Related Questions
1. Blood cells returning to the lungs after their journey through the body are.
bright blue
dark red
dark blue
bright red
Answers
Answer:
Dark Red
Explanation:
The blood that travels back to the heart and lungs is dark red. It has picked up carbon dioxide from the body cells, and it has left most of its oxygen with the cells. We can think of the dark colored, carbon dioxide-rich blood as "used” blood. This is the blood that the heart pumps into the lungs.
Answer:
The answer is Dark Red.
Explanation:
Hope this helps!!
ill give brainly pls help
Answers
Explanation:
C: x25 for sure for sure...
The nuclen divides ->
Ane to plasm dividers->
the DNA replicates->
Answers
Answer:
2ht433344tyhhfrrghbv
The evolution of the cuticle in plants was a key adaptation to terrestial living because
a. enhanced water loss.
b. enhanced absorption of nutrients from soil
c. allowed for an alternation of generation
d. helps plant to avoid drying up
Answers
The evolution of the cuticle in plants was a key adaptation to terrestrial living because it helps plants to avoid drying up.
Thus, the correct option is d. helps plant to avoid drying up.
In plants, the cuticle is a protective layer of waxy, hydrophobic substance produced by the epidermal cells. It is the layer of tissue that separates the aerial parts of the plant from the outside environment. It serves as a barrier to protect the plant from desiccation, UV radiation, and environmental stresses.The cuticle is thicker on leaves and shoots of plants that grow in dry environments, where the risk of water loss is greater.
The cuticle also helps to minimize water loss from the plant by limiting the amount of water that escapes from the plant's tissues by evaporation.Plants are considered the first organisms to live on land, and the evolution of the cuticle was a critical step in their transition from an aquatic to a terrestrial lifestyle. Without the cuticle, plants would have been unable to survive on land, as they would have dried out and died from desiccation.
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Please help.
How do "gliders" travel on water? Use the terms hydrogen bonding, surface tension, adhesion, and cohesion in your answer
Answers
"Gliders" are small insects that are capable of traveling on water due to a combination of physical phenomena involving hydrogen bonding, surface tension, adhesion, and cohesion.
Surface tension is a liquid property caused by the cohesive forces between liquid molecules. Because of hydrogen bonding, water molecules are strongly attracted to one another, resulting in a high surface tension of water. This high surface tension forms a thin, elastic film on the water's surface, allowing small objects like insects to float on it.
Adhesion refers to the attraction of molecules of different substances. Gliders, for example, have specialised hydrophobic (water-repellent) structures on their legs that prevent them from breaking the surface tension of water and sinking. The hydrophobic structures on the insects' legs repel water and adhere to surface tension, allowing the insects to stay on the surface.
The attractive forces between molecules of the same substance are referred to as cohesion. Water molecules' cohesive forces form a surface film that is strong enough to support the weight of small objects like gliders. Insects that travel on water, such as gliders, can distribute their weight over a large area by increasing the contact area with the water's surface with their hydrophobic legs. This reduces the pressure on the water's surface tension, allowing the insects to float on top.
In summary, gliders travel on water due to the combination of hydrogen bonding, surface tension, adhesion, and cohesion. The hydrophobic structures on the insects' legs repel water and adhere to the surface tension of water, allowing the insects to remain on the surface. The cohesive forces between water molecules create a surface film that is strong enough to support the weight of the insects, allowing them to float on the surface.
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how can we predict solar activity impacts and protect earth?
Answers
In order to protect earth it is required to predict or forecast them in advance and shut down systems before it hits.
In general scenario the scientists believe that the effective way to protect anything against solar storms is to anticipate or forecast any news in advance and shut down the important systems before it hits. Scientists are also working for ways to improve these forecasts to release warnings a few hours in advance.
Hence, for predicting these storms, forecasters use to closely watch the Sun for solar flares and coronal mass ejections. Solar flares are considered as the massive explosions on the Sun's surface. They often occurs near sunspots and release photons such as X-Rays, visible light, and ultra-violet light.
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What function do most of the stem cells in adults serve?
A. Differentiating into any type of cell
B. Repairing damaged DNA
C. Replacing damaged tissue
D. Growing new organs
Answers
if jack’s serum sodium was found to be normal and he receives 1 l of normal saline, how much of that volume will distribute into the intracellular space?
Answers
Normal saline does not readily cross cell membranes, so only a small volume of fluid, about 250 ml (25% of 1 L), will distribute into the intracellular space.
If Jack’s serum sodium was found to be normal and he receives 1 L of normal saline, about 250 ml of that volume will distribute into the intracellular space.
What is serum sodium?Serum sodium is a crucial electrolyte that maintains blood pressure, hydration, and the fluid balance in our bodies. The kidneys play a crucial role in maintaining sodium levels in the bloodstream by either excreting or retaining sodium ions to maintain the proper balance of fluids and electrolytes in the body.What is normal saline?Normal saline (0.9% sodium chloride solution) is a sterile solution of sodium chloride (salt) that is isotonic to human blood and is used to replace lost fluids and electrolytes in the body. Intravenous normal saline is used to treat a variety of medical conditions, such as dehydration, hypovolemia, and hyponatremia.How much of that volume will distribute into the intracellular space?When an individual is given 1 L of normal saline intravenously, the salt solution is infused into the bloodstream and remains in the extracellular space. About 75% of the extracellular space is composed of interstitial fluid and 25% of the extracellular space is composed of plasma.However, normal saline does not readily cross cell membranes, so only a small amount of fluid, about 250 ml (25% of 1 L), will distribute into the intracellular space.learn more about "hypertension"https://brainly.com/question/26093747
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The pyloric glands of the stomach release hydrochloric acid and other digestive juices during digestion. these glands have very short ducts and the tubes are branched. these glands are __________.
Answers
The pyloric glands of the stomach release hydrochloric acid and other digestive juices during digestion. These glands have very short ducts and the tubes are branched. These glands are simple branched tubular.
The stomach has three two types of glands also called gastric glands.
These glands are distinct from one another due to their location and the gastric juices secreted by them.
Pyloric glands are one of them that is found in the pyloric region.
G-cells of the pyloric glands release gastrin juice and their structure is similar to the oxyntic glands.
Moreover, they secrete defensive mucus that provides protection against self-digestion or autolysis.
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mutilated cows have been found in several pastures in the western united states. in each case organs are missing from the carcasses. there are never any signs of vehicle tracks or footprints. the cause of death is unknown. the method used to remove the organs is also unknown, although the wounds show indications of precision surgical tools. must be the work of aliens.
Answers
The presence of mutilated cows in the western United States has raised concerns, as organs are missing from the carcasses. However, it is important to approach this topic with a critical mindset and consider multiple possibilities before jumping to conclusions. While some people may attribute these incidents to aliens, it is crucial to analyze the available evidence and explore alternative explanations.
Firstly, the absence of vehicle tracks or footprints suggests that the perpetrators might have been cautious or utilized alternative means of transportation. However, this doesn't necessarily point to extraterrestrial activity. There could be other explanations, such as the use of helicopters or small aircraft, which would not leave discernible tracks.
Secondly, the precision of the wounds may suggest the use of surgical tools. However, it's important to note that there are other potential explanations for this as well. Predatory animals, like coyotes or mountain lions, can also cause precise wounds when feeding on carcasses. In addition, natural processes, such as scavengers and decomposition, can alter the appearance of wounds over time.Thirdly, the cause of death remains unknown, making it difficult to determine the exact circumstances surrounding these incidents. Conducting thorough investigations, including autopsies and analysis of samples, can help shed light on the cause of death and provide valuable insights.
To understand these cases better, it is essential to rely on scientific methods, evidence, and expert analysis. Authorities, such as law enforcement agencies, veterinary experts, and wildlife researchers, can play a crucial role in investigating these incidents and providing credible explanations based on scientific findings.
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Compared to the Haida myth, which focuses on creating light and people, the Māori myth focuses mostly on.
Answers
Answer:
The correct answer would be.. The Relationship between parts of nature.. hope this helped, stay safe!
g in a phylogenetic tree, a lineage that diverges from all other members of its group early in the evolutionary history of the group is described as
Answers
A lineage that diverges from all other members of its group early in the evolutionary history of the group is described as a Basal taxon in a phylogenetic tree.
The term "basal taxon" refers to a lineage that splits off from the rest of its group early in the group's history. As a result, one of the two branches that diverge close to the group's common ancestor is where a basal taxon can be found. An assumed ancestor species from the stem line, as opposed to a terminal taxon, is what is meant by a "basal taxon." The term "basal" should never be used in any other context.
A rooted tree's branching reveals evolutionary connections. A split's so-called branch point denotes the place where a single lineage changed into a distinctive new one. The term "basal taxon" refers to an unbranched lineage that first formed from the root.
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Conservationists help to restore ecosystems. Which activity will positively affect the abiotic conditions of an ecosystem?
A.
Keeping lakes and rivers free of pollution.
B.
Planting new trees to provide food for animals.
C.
Monitoring the ecosystem for bacterial pathogens that can cause illness.
D.
Mating endangered animals in captivity and restoring them to their natural habitat.
Answers
Why do many globular proteins, in contrast to fibrous proteins, have a catalytic or regulatory role
Answers
Answer:
Fibrous proteins tend to have more structure support for the organism due to its linear formation. Globular proteins tend to have a defined shape for an active site thus having a catalytic role.
Explanation:
hope this helps you if it does please mark brainiest
"If a consumer doesn’t consume any snails but does consume Big Macs, then his marginal rate of substitution between snails and Big Macs when his snail consumption is zero must be equal to the ratio of the price of snails to the price of Big Macs." Is this claim true, false or ambiguous? Justify your answer.
Answers
The claim oversimplifies the concept of MRS and assumes that the MRS between snails and Big Macs is solely determined by the price ratio, neglecting the complexity of individual preferences and other factors that may influence consumer choices. Therefore, the claim is ambiguous and cannot be definitively labeled as true or false.
The claim is ambiguous, and I will explain why.
The statement is based on the concept of the marginal rate of substitution (MRS), which measures the willingness of a consumer to give up one good in exchange for another while maintaining the same level of satisfaction. In this case, the claim suggests that the MRS between snails and Big Macs, when the consumer's snail consumption is zero, is equal to the ratio of the price of snails to the price of Big Macs.
However, without further information, it is difficult to determine the validity of the claim. The MRS typically depends on an individual's preferences and utility function, which can vary among consumers. It is not solely determined by prices.
Additionally, the claim assumes that the consumer has no preference for snails when their consumption is zero. This assumption might not hold true in practice. Preferences and choices can be complex, and a consumer's willingness to substitute between goods may not be solely determined by the prices of those goods. Other factors such as taste, health considerations, or cultural preferences can also influence the decision.
To summarize, the claim oversimplifies the concept of MRS and assumes that the MRS between snails and Big Macs is solely determined by the price ratio, neglecting the complexity of individual preferences and other factors that may influence consumer choices. Therefore, the claim is ambiguous and cannot be definitively labeled as true or false.
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Complete the sentences about the process of DNA replication with the correct terms. Labels may be used once or not at all. DNA polymerase The DNA double helix is separated into single strands by the enzyme he case hexokinase DNA replication begins at this place of newly exposed single strands called the replication fork 5 leading strand New strands of DNA are begun when short segments called primers are added onto the exposed single strands ces DNA ligase An enzyme called DNA polymerase can then begin adding nucleotides to the new strand, 3 ribosome New DNA is sy hesized in the lo direction: new nucleotides can only be added to the end of an existing strand replication fork primers DNA synthesis occurs continuously on the leading strand helicase DNA synthesis occurs in small sections on the lagging strand hydrogen bonds lagging strand Primers are removed and the segments of new DNA on the lagging strand are joined by an enzyme called DNA ligase
Answers
The process of DNA replication begins when the DNA double helix is separated into single strands by the enzyme helicase. This separation occurs at the replication fork, where new strands of DNA are synthesized. Primers, short segments added onto the exposed single strands, initiate the formation of new DNA strands.
DNA polymerase, an enzyme responsible for adding nucleotides to the new strand, plays a vital role in DNA replication. Synthesis occurs in two directions: continuously on the leading strand and in small sections on the lagging strand. New nucleotides can only be added to the 3' end of an existing strand.
Helicase unwinds the DNA, breaking the hydrogen bonds between the base pairs, allowing DNA polymerase to access the single strands. While DNA synthesis occurs continuously on the leading strand, it takes place in small, discontinuous sections called Okazaki fragments on the lagging strand. DNA ligase, an enzyme responsible for joining these fragments, removes the primers and connects the segments of new DNA on the lagging strand, completing the replication process.
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I need help
Claim: Yellow color is always an adaptive trait in a yellow environment.
Do you agree or disagree with this claim?
Answers
Yellow color is always an adaptive trait in a yellow environment I agree with this claim.
What is adaptive trait?Adaptive trait is defined as an element of the developmental pattern that makes it easier for its carrier to survive and/or reproduce in a succession of different situations.
Any heritable characteristic that enables a plant or animal to survive and procreate in its environment is referred to as an adaptation.
The process of modifying behavior, physiology, or structure to make it more suitable to an environment is known as adaptation.
It might also be described as the condition that a biological population has achieved after enduring modifications or changes.
There are three types of adaptive traits.
StructuralPhysiologicalBehavioralThus, yellow color is always an adaptive trait in a yellow environment I agree with this claim.
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which of these changes in the food web would cause a decrease in the population of bald eagles
Answers
The correct answer is C. A decrease in the population of sea ducks
Explanation:
Food webs are diagrams that represent the relationship of organisms in an ecosystem by showing feeding or predatory relationships. This means food webs show which organisms eats another organism. In the case of the food web presented, this shows bald eagles fed on sea ducks and large piscivorous fish, this implies for survival bald eagles need from these two organisms. In this context, a decrease in the population of sea ducks (option C) would cause a decrease in the population of eagles because fewer sea ducks imply less food for eagles, and therefore fewer resources to survive.
The instructions that determine what will happen to a cell are coded in the ______________________ in its nucleus
RNA
DNA
Cytoplasm
Cell wall
Answers
A less developed country with a rapidly expanding urban population is concerned that its growing urban population will eventually expand to a level where there would not be enough land to grow the food it needs to support its population.
(i) Excluding importing food, propose a solution to address the concerns of reduced land on which to grow food.
(ii) For your solution in (b)(i), explain an additional potential advantage of the solution.
Answers
Vertical farming is a solution to address the concern of reduced land for food production in a rapidly expanding urban population.
It involves cultivating crops in vertically stacked layers or on inclined surfaces, maximizing land efficiency. The additional advantage of vertical farming is its ability to produce food locally, reducing transportation needs and ensuring fresher produce. Furthermore, vertical farming enables year-round crop production in a controlled environment, reducing the impact of seasonal limitations and enhancing food security. Additionally, vertical farming promotes sustainable agriculture by minimizing water usage and pesticide needs.
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what is the oxygen cycle ?
Answers
Hope you could get an idea from here.
Doubt clarification - use comment section.
Humans are part of which of the 6 Kingdoms?
Answers
Answer:
Humans are part of the Kingdom Animalia.
Explanation:
:)
Answer:
Animalia Kingdom
Explanation:
Humans are higher animals, and in the classifications of Homo-sapiens
Wallace's line is a deep-water boundary that separates islands that differ greatly in their fauna, despite their close proximity and similar climate. Accordingly, these islands are assigned to two different biogeographic realms, each of which has a large number of species that are restricted to that location and found nowhere else in the world. These species are considered ____________. Group of answer choices
Answers
Answer:
endemic
Explanation:
Endemism refers to a state in which a species/population is native to a particular geographic area (e.g., an island), although if these organisms are also found elsewhere, then they are not considered to be endemic. Endemic species are generally vulnerable to suffer extinction when their habitats are irreversibly damaged, and therefore they represent biodiversity indicators that can be used as a reference to create protected 'hot spots' and centers of endemism. Some examples of endemic species include Tasmanian devils (living in the island state of Tasmania) and koalas (living in the southeast and eastern sides of Australia). On the other hand, cosmopolitan species are widely distributed and therefore they can be found in different geographic areas around the world.
Need Help!! Read the article “Tweaking How Plants Manage a Crisis Boosts Photosynthesis,” and then answer the following questions.
Part A
How might the research described in the article help address the food supply for a growing population?
Answers
in the article Tweaking How Plants Manage a Crisis Boosts Photosynthesis he reports that it is the first example in which crop growth was improved by improving photosynthesis, thus making plants more resistant and more productive in difficult climatic times.
How to explain photosynthesis?Photosynthesis is a process carried out by plants to produce the energy necessary for their survival. As it happens? Water and mineral salts are removed from the soil through the root of the plant and reach the leaves through the stem in the form of sap, called raw sap.
What are the processes of photosynthesis?Photosynthesis is divided into two basic processes: light reaction and carbon fixation reaction. In the first reaction, two photosystems are involved, which are units formed by pigment molecules. In these photosystems, two regions are observed: the antenna complex and the reaction center.
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which is a function of gap genes in drosophila? defines the organs to be expressed within each segment in the developing embryo establishes polarity in the egg and newly formed embryo begins establishing segmentation patterns in the embryo regulates the rate of cell division in the embryo
Answers
Gap genes are a class of genes that are involved in establishing the segmentation pattern in the developing embryo of Drosophila melanogaster, a fruit fly commonly used as a model organism in genetic studies.
There is a polarity between the cell membrane and the cytoplasm, with different molecules and structures being localized to each compartment. In embryonic development, polarity can refer to the establishment of distinct regions or axes within the embryo, such as the anterior-posterior or dorsal-ventral axes. This polarity can be established through the activity of genes and proteins that help to set up gradients of signaling molecules or morphogens.Polarity refers to the positive or negative orientation of something. In the context of language and communication, polarity often refers to the sentiment or emotional tone conveyed by words or phrases. For example, the word "happy" has a positive polarity, while the word "sad" has a negative polarity.In some fields, such as chemistry, polarity refers to the distribution of electrical charge in a molecule. A molecule is said to be polar if it has a separation of electrical charge, resulting in a positive and negative end.
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Drag each label to the correct location on the image.
A diagram of an animal cell is shown below. Each arrow points to a different organelle. Correctly label each organelle.
ribosome
centriole
smooth
endoplasmic
reticulum
mitochondrion
cell
membrane
rough
endoplasmic
reticulum
PRO
Golgi
apparatus
nucleus
Answers
The label on the animal cells for each organelle is attached below.
What makes up an animal cell?Cell membrane: The cell membrane is the outer layer of the cell. It protects the cell from its surroundings and controls what enters and leaves the cell.
Rough endoplasmic reticulum: The rough endoplasmic reticulum is a network of membranous sacs that are dotted with ribosomes. The ribosomes are responsible for making proteins.
Ribosome: Ribosomes are small organelles that are responsible for making proteins. They are found free in the cytoplasm or attached to the rough endoplasmic reticulum.
Golgi apparatus: The Golgi apparatus is a stack of flattened sacs that are involved in processing and packaging proteins.
Mitochondrion: The mitochondrion is the "powerhouse" of the cell. It produces energy in the form of ATP.
Centrosome: The centrosome is a small structure that contains two centrioles. The centrioles are involved in cell division.
Smooth endoplasmic reticulum: The smooth endoplasmic reticulum is a network of membranous sacs that are not dotted with ribosomes. The smooth endoplasmic reticulum is involved in a variety of functions, including lipid synthesis and detoxification.
Nucleus: The nucleus is the control center of the cell. It contains the cell's DNA, which is the genetic material.
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in wall-e what are the humans directed to do when the pod (eve) containing the plant reaches the axiom
(ecology lesson)
Answers
In the "ecology lesson" sequence of the movie "Wall-E," when the pod carrying the plant arrives at the Axiom, the humans are instructed to assemble and pay attention to the live broadcast being sent.
The "Directive A-113" is started by the Axiom's commander, commander McCrea, and causes a holographic projection to teach and educate people about the state of the Earth and the necessity to reestablish its ecological balance.
Images and movies of the planet Earth before it was badly polluted and unusable are displayed to the humans during the ecology class.
They are told to pay close attention to the information being given and comprehend the significance of the plant that EVE (the pod) has brought.
This scene is used in the film "Wall-E" to emphasise the concept of environmental conservation, stressing the negative effects of human carelessness and the possibility of redemption through ethical behaviour and planetary preservation.
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What is the difference between inorganic and organic compounds?
A.
Organic compounds are produced naturally and inorganic compounds are human-made.
B.
Organic compounds contain ionic bonds and inorganic compounds contain covalent bonds.
C.
Organic compounds contain carbon-hydrogen bonds and inorganic compounds do not.
D.
Organic compounds are beneficial to the environment and inorganic compounds are not.
Answers
Answer:
A.
Explanation:
Organic compounds are something that is produced naturally and found in natural areas.
Inorganic compounds are made by humans and can not be found again naturally.
If an organism's chromosomal dna is like an instruction manual, what instructions do cells receive from genes?
Answers
Your genes contain the instructions inside of chromosomal dna that tell your cells to make the molecules called as proteins. Proteins are perform the various functions in your body to keep you healthy.
Each gene has carries instructions that determine that your features, such as eye colour, the hair colour and the height. There are mainly different versions of the genes for each of the feature.
At the functional level, genes or the DNA segments are having instruction manuals that the cells read, understand, and to interpret throughout their life. These genes are also passed on during fertilization. This means that the child was also receives a copy of its mother's genes and the copy of its father's genes
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what factors are the most important for controlling the growth of these organisms? that is, what limits their growth?
Answers
The factors that are most important for controlling the growth of organisms are limiting factors. Limiting factors are the factors that limit the growth of a population of organisms. These factors can either be biotic (living) or abiotic (non-living) factors.
The most common limiting factors are:Availability of water: Water is essential for growth. Lack of water can lead to dehydration and eventually death, which limits the growth of an organism. pH: The pH level of soil or water is essential for growth. A pH level that is too high or too low can limit the growth of an organism. Temperature: Temperature is also an essential factor for growth. Too high or too low temperatures can limit the growth of an organism. Nutrient availability: Nutrients are required for the growth of organisms. Lack of nutrients can limit the growth of an organism. Competition: Competition for resources can limit the growth of an organism. Predators: Predators can limit the growth of an organism by killing it or reducing its population size. Disease: Disease can limit the growth of an organism by killing it or reducing its population size.
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