1. Air close to the Earth's surface is heavier |
2. Air close to the Earth's surface contains large quantity of water vapour and dust particles. |
A) 1 only
B) 2 only
C) Both 1 and 2
D) Neither 1 nor 2
Correct Answer: C
Solution :
At higher altitude air is lighter while close to earth surface its heavier In Troposphere the dust particles and water is more than upper layer.You need to login to perform this action.
You will be redirected in
3 sec