Question

source of outdoor air pollution ​

Answer 1

Explanation:

In terms of overall range and extents of impacts, however, it is my opinion that burning of fossil fuels (coal, gasoline, etc..) is the single largest source of air pollutants. These fuels cause smog, acid rain, soot and particulates increases, greenhouse gas emissions, and dispersal of some heavy metal contaminants.

Answer 2

Explanation:

emmision caused by combustion process motor vehicles ,solid fuel burning and industry .

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