Q535
Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of
A.
Food
B.
Light
C.
Oxygen
AnswerD.
Essential minerals
Answer: Option C
Solution
Answer: Option C
Solution:
The concentration of the oxygen would fall and this causes the death of the aquatic animals due to the suffocation. Hence, the correct answer is 'non-availability of oxygen'.