Question

Define pollutants????

Answer 1

Pollutants are those material that are discharged in irregular amount in unsuitable place by human being. This is directly and indirectly causes harmful effects on human health and on other resources. These pollutants includes sewage,smoke,garbage,harmful gases like NO2,NO,SO2,CO,CO2,harmful chemical substance like chemical fertilizer, pesticides, insecticides, and radio active substance.

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Answer 2

Pollutants are those materials which degrade the quality of air,water or soil and also affect environment.

Examples​:
DDT
Sewage
Radiations
Bio-medical wastes
Etc.

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