Consider the following statements:
1. Clouds generally reflects 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 percent to 4 percent of total volume of air.
4. Nitrogen serves mainly as dilutant and dissolver.
Which of the above statements is/are not correct?
(a) 1 and 2 (b) 2 and 3 (c) 3 only (d) 3 and 4