Question

eutrophication is caused by _. a. an increase in nutrients b. a decrease in nutrients c. the introduction of new species of animals d. the introduction of new species of plants please select the best answer from the choices provided

Explanation:

Eutrophication occurs when there is an over - enrichment of nutrients, usually nitrogen and phosphorus, in water bodies. This leads to excessive growth of algae and other plants.

Answer:

A. an increase in nutrients