The overuse of fertilizer can cause algal blooms? How do algal blooms affect a body of water? A) Algal blooms cause dissolved oxygen levels to decrease
B) Algal blooms cause dissolved nitrogen levels to decrease
C) Algal blooms cause dissolved nitrogen levels to increase
D) Algal blooms cause dissolved oxygen levels to increase

A algal bloom causes the dissolved oxygen level to decrease.

Explanation:

It does mot allow the oxygen from atmosphere to dissolve into the water moreover it blocks the sunlight to reach to the sea plants that produces oxygen by photosynthesis.

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )