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Question
Consider the following statements:

  1. Clouds generally reflect some of the sunlight in different directions and the rest is absorbed.

  2. Nearly 90% of the water vapour lies below 12 km of the atmosphere.

  3. Water vapour does not exceed 3 per cent to 4 per cent of the total volume of air.

  4. Nitrogen serves mainly as a dilutant and dissolver.


Which of the above statements is/are not correct?
Options:
A .  2 and 3
B .  1 and 2
C .  3 and 4
D .  3 only
Answer: Option B
Answer: (b)

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