1) which disease is caused due to air pollution a) asthma b) leg pain c) fever d) head ache 2) what is smog ? a) fog b) smoke c) both a and b d) its something else 3) which air do we breathe? a) nitrogen b) oxygen c) carbon dioxide d) both b and c 4) what causes air pollution? a) closing the door b) drinking water c) putting air conditioner d) painting a picture 5) how can we prevent pollution ? a) use garden equipment b) not use crackers c) both a and b d) none of these 6) when should we stop polluting? a) today b) after 10 years c) later d) never

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