The part of barometric pressure due to water vapour is called:

On average, air contains _____% of water vapour.

The thickness of ozone layer from base to top of atmosphere is measured in :

The process of "Temperature inversion" is related to which of the following?

Which one of the following is the usual unit of measurement for Air Pressure used in India?

With reference to water vapour, which of the following statements is/are correct? 1. Water vapour decreases with altitude. 2. Water vapour has a role to play in the stability and instability of the a…