Question

1. Briefly state the importance of following constituents of air :

(d) Water vapour

Answer 1

Significance of water vapor in the air:

• The amount of water present in the air affects climatic conditions. Excessive water vapor causes rain. Water vapor is also responsible for fog, mist, and hail.
• The presence of water vapor in the air is very important for the health and comfort of animals. Excess of, as well as deficiency of, water vapor in the air causes health-related problems.
• The presence of water vapor affects the rate of evaporation of water.
• Water vapor in the air is essential for the growth of plants.