The addition of elements like nitrogen and ph | vedclass

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(B) The process described is known as $Eutrophication$. When nutrients like nitrogen and phosphorus enter a lake through streams or agricultural runof

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Increase in the fertility of the lake

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(B) The process described is known as $Eutrophication$. When nutrients like nitrogen and phosphorus enter a lake through streams or agricultural runoff, they act as fertilizers for aquatic plants and algae. This leads to an excessive growth of algae, known as an $Algal$ $Bloom$. This process significantly increases the nutrient content and biological productivity of the lake, which is referred to as an increase in the fertility of the lake. Over time, this leads to the accumulation of organic matter and the gradual filling up of the lake, making it shallower, not deeper.

The addition of elements like nitrogen and phosphorus to a lake through streams leads to:

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