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Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:
Option: 1
light

Option: 2
essential minerals

Option: 3
oxygen

Option: 4
food

Answers (1)

best_answer

Eutrophication refers to the excessive growth of algae, plants, and animals in water bodies as a result of the enrichment of nutrients, especially nitrogen and phosphate.
In water, oxygen replenishment decreases dramatically.
Non-availability of oxygen leads to the death of aquatic organisms.

Hence, the correct answer is option 3).

Posted by

Ritika Harsh

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