Question

what is contaminant?​

Answer 1

Answer:

A contaminant is any potentially undesirable substance (physical, chemical or biological). It usually refers to the introduction of harmful human-made substances. ... Contaminants may be found in soil, plants, air, water, sea animals, land animals, and birds.

Answer 2

$\huge\mathfrak\red{Answer:-}$

A contaminant is any potentially undesirable substance (physical, chemical or biological). It usually refers to the introduction of harmful human-made substances. ... Contaminants may be found in soil, plants, air, water, sea animals, land animals, and birds.