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mariarad [96]
4 years ago
8

How can the actions of humans affect the environment

Biology
1 answer:
babymother [125]4 years ago
7 0

Answer:

Explanation:

Human Impacts on the Environment. Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

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Each cell is surrounded by a _____ that seperates the interior of the cell from its surroundings
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Each cell is surrounded by a <u>membrane</u> that separates the interior of the cell from its surroundings.

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3 years ago
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In nutrient-rich environments (like your mouth), bacteria can use the provided amino acids to synthesize their proteins. However
kirill115 [55]

Answer:

The correct answer will be option-A  

Explanation:

The citric acid cycle is the cyclic chain of reactions taking place as a phase of the cellular respiration as it gets halted in the absence of oxygen. The citric acid cycle converts the obtained acetyl-CoA to a usable form of energy in the form of ATP, NADH and FADH₂.

The citric acid cycle forms intermediates which are utilised by the organisms to synthesise the various biomolecules like amino acids, purines and pyrimidines.

The intermediates like alpha-ketoglutarate forms arginine, proline and glutamine whereas oxaloacetate forms asparagine and aspartate. If bacteria do not receive the amino acids then they will synthesise the amino acids using intermediates of the citric acid cycle.

Thus, option-A is the correct answer.

5 0
4 years ago
Identify three reasons why endangered species are hunted
amid [387]
Certain species like the tiger that are endangered are hunted because of things like their pelts and meat of the animal are very expensive and are very rare to find therefor people kill and sell them to get alot of money.
6 0
4 years ago
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Contaminants that enter the groundwater may remain there for decades
il63 [147K]

Answer:

Groundwater moves very slowly through the aquifers at a rate of only inches per day. Some contaminants that reach the groundwater break down slowly or not at all, and move slowly with the water. Therefore, groundwater may contain these contaminants for many years.

Explanation:

5 0
3 years ago
A child tosses a ball straight up into the air. When is the ball's potential energy the greatest?
ozzi

Answer:

A.when it reaches the top of its flight

Explanation:

This theory is base on gravitational potential energy which state that potential energy in an object increases as weight and height increases.

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