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Heavy usage of vehicles for travelling least distances, releasing industrial smoke directly into air etc are responsible for air pollution 
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oh welcome welcome
Moderator answers are cool!!!
The causes of the air pollution are the using of pollutant sources , such as car , motorcycle etc , burning of plastic , burning of wood , unwanted gases released from the industries , release of CFC' s from refrigerators and AC's. Etc.. This leads to air pollution .
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