Algal blooms result when unusually high amounts of nutrients enter the sea from:
A) runoff from land.
B) leaching from marine sediments.
C) direct intentional dumping.
D) input from wind.
E) shipboard disposal at sea.

Question

Quizplus · Accepted Answer

Algal blooms are mainly caused by an excess of nutrients, particularly nitrogen and phosphorus, which can come from runoff from land. This excess of nutrients can cause the growth of algae to explode in the water.

Algal Blooms Result When Unusually High Amounts of Nutrients Enter