Which of the following is not considered to b | vedclass

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(B) pollutant is a substance or energy introduced into the environment that has undesired effects,or adversely affects the usefulness of a resource.$N

Vedclass · Accepted Answer

$CO_2$

Vedclass · Answer

(B) pollutant is a substance or energy introduced into the environment that has undesired effects,or adversely affects the usefulness of a resource.$NO_2$,$O_3$,and hydrocarbons $(C_xH_y)$ are well-known atmospheric pollutants that cause smog and respiratory issues.$CO_2$ is a natural component of the atmosphere and is essential for photosynthesis in plants.While high concentrations of $CO_2$ contribute to global warming,it is generally not classified as a pollutant in the same category as toxic gases like $NO_2$ or $O_3$ in standard environmental chemistry contexts.

Which of the following is not considered to be a pollutant?

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