Which of the following is an odd pollutant?

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Question

(D) The correct answer is $D$ (Acid rain).$SO_2$,$CO_2$,and $CO$ are all primary air pollutants or gases that contribute to pollution.Acid rain is not

Vedclass · Accepted Answer

Acid rain

Vedclass · Answer

(D) The correct answer is $D$ (Acid rain).$SO_2$,$CO_2$,and $CO$ are all primary air pollutants or gases that contribute to pollution.Acid rain is not a pollutant itself; rather,it is a secondary effect or a phenomenon caused by the reaction of pollutants like $SO_2$ and $NO_x$ with water vapor in the atmosphere.Therefore,Acid rain is the odd one out as it is an environmental impact,not a direct pollutant.

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