Question

Pollutants define in english

Answer 1

A pollutant is a substance or energy introduced into the environment that has undesired effects, or adversely affects the usefulness of a resource.

Answer 2

$factors \: affecting \: natural \: functions \: of \: ecosystem \: and \: causing \: harmful \: effects \: on \: abiotic \: and \: biotic \: factors \: re \: called \: pollutants$
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