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Air pollution is the introduction of particulates, biological molecules, or other harmful materials into the Earth's atmosphere, possibly causing disease, death to humans, damage to other living organisms such as food crops, or the natural or built environment.
Added 10/18/2014 2:32:43 PM
This answer has been confirmed as correct and helpful.
Confirmed by
sujaysen [10/18/2014 2:35:28 PM]
