Question

sometimes algal blooms can be observed in the oceans find out the reason behind the occurrence of algal blooms
a) mixing of oil with ocean water
b) dumping if plastic object in the ocean
c) increase in acidity of ocean water
d) mixing of nutrients present in chemical fertilizer with ocean water​

Answer 1

Option D is the answer.

The process in which chemical fertilizers
Accumulate in any water body which causes harm to aquatic animals is termed as eutrophication.

Eutrophication prevents sunlight from entering in the water which causes death of plants and depletion of oxygen supply.