Question:

Agricultural runoff can carry fertilizers into lakes and streams. This runoff can cause algae populations to greatly increase. What effect does this change in the algae population most likely have on

Agricultural runoff can carry fertilizers into lakes and streams. This runoff can cause algae populations to greatly increase. What effect does this change in the algae population most likely have on lakes and streams?
A) It causes an increase in water level.
B) It causes an increase in water clarity.
C) It reduces the dissolved oxygen needed by fish and shellfish.
D) It reduces the temperature variations near the surface of the water.

Agricultural runoff can carry fertilizers into lakes and streams. This runoff can cause algae populations to greatly increase. What effect does this change in the algae population most likely have on lakes and streams? A) It causes an increase in water level. B) It causes an increase in water clarity. C) It reduces the dissolved oxygen needed by fish and shellfish. D) It reduces the temperature variations near the surface of the water.