Civil Services Examination · Question 12

With reference to "water vapour", which of the following statements is/are correct? 1. It is a gas, the amount of which decreases with altitude. 2. Its percentage is maximum at the poles. Select the answer using the code given below:

1. A1 only
2. B2 only
3. CBoth 1 and 2
4. DNeither 1 nor 2