Question

3. What is the effect of eutrophication to animal life?
A. It cause algal blooms that decreases the amount of carbon dioxide in rivers and lakes.
B. It cause algal blooms that decreases the amount of oxygen in rivers and lakes.
C. The dense growth of plant life due to eutrophication crowds the spaces in rivers and lakes.
D. It benefits the animals because it will have more plants to feed on

Answer 1

Answer:

Eutrophication is an enrichment of water by nutrient salts that causes structural changes to the ecosystem such as: increased production of algae and aquatic plants, depletion of fish species, general deterioration of water quality and other effects that reduce and preclude use.

Explanation:

therefore the ans must be B