Question

What is the significance of water vapour in air?

Answer 1

Significance of water vapour in atmosphere is as follows:

1. Presence of water vapour in air determines the climatic conditions. Excessive water vapour causes rain. They also produce snow, fog, mist, hails and other phenomenon, depending upon the temperature.
2. The presence of water vapour controls the rate of evaporation from the plants and animals.
3. The presence of water vapour is very essential for the growth of plants.
4. It is very essential for the health and comfort of animals.