What causes cultural eutrophication?
A) Natural nutrient enrichment of a shallow lake
B) Blooms of algae
C) Increase in aerobic bacteria
D) Increase of plants such as duckweed
E) Input of nutrients from human activities

Question

Quizplus · Accepted Answer

Cultural eutrophication is caused by the input of nutrients from human activities such as fertilizer runoff, sewage discharge, and industrial waste. These nutrients, mainly nitrogen and phosphorus, enter bodies of water and lead to excessive growth of algae and other aquatic plants which deplete oxygen levels and harm other aquatic organisms.

What Causes Cultural Eutrophication