Question

define the term pollutant​

Answer 1

Answer:

Under the Clean Air Act, the National Ambient Air Quality Standards (NAAQS) are developed by the Environmental Protection Agency (EPA) for six common air pollutants, also called "criteria pollutants": particulates; smog and ground-level ozone; carbon monoxide; sulfur oxides; nitrogen oxides; and lead.

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Answer 2

Answer:

any substance which causes pollution is called pollutant.

a pollutant has also been defined as any solid, liquid or gaseous substance present in such concentration as may be or tend to be injurious to the environment.