Question

if the river is polluted,it means the river is
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Answer 1

usually as a result of human activities..

1) degradation of aquatic ecosystems.

2) dissolved oxygen present in the water is consumed by the bacteria, resulting in less food available to fish and other marine organisms.

3) Pollution kills water plants and animals.

4) Polluted water also carries diseases.

5) When animals drink the water, they may get diseases which can kill them.

6) suffocation of fish and other aquatic organisms.

Answer 2

Answer:

Means water pollution....and if there is water pollution then all the plant's animals present in the water ,will soon be extinct......

GOOD Night FRIEND......XD....

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