(D) All of there
56. Biological pollutants which include .......... is the main source of water pollution.
(A) Virus
(B) Parasites
(C) Weeds
(D) All of there
Answers
Answered by
1
Answer:
(a)virus
Explanation:
If faeces from infected people are not correctly contained and treated, the pollutants can get into surface and groundwater. The main groups of biological pollutants are bacteria, viruses, protozoa and helminths (worms). Chemical water pollutants take many different forms depending on their source.
Hope this helps you
Answered by
10
Answer:
answer is option (A) virus
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