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 excessive increase in nutrients, such as nitrogen and phosphorus, in a water - body. This leads to over - growth of algae and other aquatic plants.

Answer:

A. an increase in nutrients