Question

*Choosethecorrectoptionforeachofthefollowing.


3.Whichofthefollowingisagreenhousegas?

(a)Nitrogen (b)Oxygen (c)Carbondioxide (d)Hydrogen


4.Whichofthefollowingisadiseasecausedduetoairpollution?

(a)Cholera (b)Asthma (c)Typhoid (d)Jaundice
​

Answer 1

3. (c) Carbon dioxide

4. (b) Asthma

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