Effect of pollution is observed first on

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(C) The effect of pollution is observed first on green vegetation. This is because plants are primary producers and are directly exposed to atmospheri

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Green vegetation

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(C) The effect of pollution is observed first on green vegetation. This is because plants are primary producers and are directly exposed to atmospheric pollutants,such as sulfur dioxide $(SO_2)$,nitrogen oxides $(NO_x)$,and particulate matter. These pollutants interfere with photosynthesis,stomatal function,and overall plant metabolism,leading to visible damage such as chlorosis,necrosis,and stunted growth before affecting higher trophic levels.

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