(b) How is air polluted?
(c) Where is air pollution acute?
(d) Why is polluted air harmful to all beings?
(e) What measures should be taken to control air pollution?
Besides, buses, trucks and cars use petrol, diesel and oil. When they are burnt, they emit smoke and pollute the air. Mills and factories also cause serious air pollution. Polluted air is very harmful to all beings. It is a dangerous threat to our existence. By inhaling polluted air, we suffer from various kinds of diseases. However, to control air pollution some measures should be taken by us and government. Public awareness should be raised. Mills and factories should not be allowed to set up in residential area. Petrol and diesel based vehicle should be banned.
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