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Eutrophication of water bodies leading t...

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

A

Oxygen

B

Food

C

Light

D

Essential minerals

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The correct Answer is:
A
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PRADEEP-ENVIRONMENTAL ISSUES-PRACTICE QUESTIONS (MULTIPLE CHOICE QUESTIONS)
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  15. Which of the following in sewage treatment removes suspended solids?

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