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❖ The correct answer is A. Eutrophication.
The correct answer is A because respiration (B) is breathing, nitrogen fixation (C)is the process of splitting apart a nitrogen molecule, and denitrification (D) is the process of returning nitrogen to the atmosphere.
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While extra fertilizer drains into a lake Eutrophication may occur, harming fish populations.
The correct answer is A) Eutrophication
What is eutrophication?
Eutrophication is the gradual increase in the attention of phosphorus, nitrogen, and other plant vitamins in a growing old aquatic ecosystem including a lake. The productiveness or fertility of such surroundings naturally will increase as the quantity of organic fabric that may be broken down into nutrients increases.
What are the main causes of eutrophication?
The maximum common vitamins inflicting eutrophication are nitrogen N and phosphorus P. the principal supply of nitrogen pollution is run-off from agricultural land, whereas most phosphorus pollutants come from households and industry, which include phosphorus-based totally detergents.
Learn more about Eutrophication here: https://brainly.com/question/12957290
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