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chemistry

The harmful and unwanted substances which degrade the quality of water are called as ________.

A

water pollutants

B

soil pollutants

C

air pollutants

D

none of the above

Answer

Any external substance which changes the natural qualities of water is known as water pollutants these can be chemical or biological. 

These pollutants harm the natural quality of water causing water pollution.

So, the correct option is

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