Question

D. Match the columns :
1. Oxygen
2.Nitrogen
3. Carbon dioxide
4.Water vapour
5. Dust and smoke
(a) 21%
(b) Air pollutants
(c) Gaseous form of water. (d) 78% (e) 0.03%​

Answer 1

Answer:

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Answer 2

1. Oxygen - (a) 21 %
2. Nitrogen- (d) 78 %
3. Carbondioxide - (e) 0.03 %
4. Water vapour - (c) Gaseous form of water.
5. Dust and smoke - (b) Air pollutants

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