Question

Q.10) Which one of the following is a biological pollutant?
1) Virus
O 2) Dust
O 3) Soil
0 4) Insecticides​

Answer 1

Answer:

Dust is a biological pollutant.

Answer 2

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Overview. Biological contaminants include bacteria, viruses, animal dander and cat saliva, house dust, mites, cockroaches, and pollen. There are many sources of these pollutants. By controlling the relative humidity level in a home, the growth of some sources of biologicals can be minimized.