Eutrophication is best described as excess nutrients running off land into water causing algae blooms ..... algae consume all the nutrients and die ..... bacteria break down the dead organic material which consumes all the oxygen ..... making the area uninhabitable for organisms.

ENVIRONMENTAL SCIENCES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Eutrophication is best described as excess nutrients running off land into water causing algae blooms ____ algae consume all the nutrients and die ____ bacteria break down the dead organic material which consumes all the oxygen ____ making the area uninhabitable for organisms.

A	True
B	False
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -Harmful algal blooms, dead zones, and fish kills are the results of a process called eutrophication-which occurs when the environment becomes enriched with nutrients, increasing the amount of plant and algae growth to estuaries and coastal waters.

Detailed explanation-2: -Definition: Eutrophication is a process in which nutrient-rich water bodies support a dense plant population that kills animal life by depriving it of oxygen, resulting in biodiversity loss.

Detailed explanation-3: -Eutrophication is caused by minerals such as Phosphorus and Nitrogen which reach natural water bodies via seeped fertilizers, insecticides, detergents, sewage and other effluents. These provide a substrate for algal growth and subsequent Eutrophication. Thus, the correct option is D .

Detailed explanation-4: -eutrophication, the gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients in an aging aquatic ecosystem such as a lake. The productivity or fertility of such an ecosystem naturally increases as the amount of organic material that can be broken down into nutrients increases.

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