Quiz
A) Urbanisation and Indiscrimination cutting of trees are other factors contributing to air pollution.
B) It contains harmful gases like carbon monoxide and sulphur dioxide.
C) We should check these particles by shifting pollution causing industries away from residential colonies.
D) Smoke from the chimney of industries and engines of customers is the primary constituent of the envelope.
E) Moreover, the suspended air particles make the air thick like the smog that envelops us when we come out in the open.
F) The air we breathe today is highly polluted and a major threat to our health.
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