Distinguish between Absolute Humidity and Relative Humidity.

Give a geographical reason for each of the following:

(i) The total volume of water in the oceans and seas remains constant.

(ii) In Equatorial regions the sky often remains overcast with clouds.

(iii) When relative humidity is 100% the temperature reading on both wet and dry thermometers is the same.

What is condensation? Explain briefly the process of condensation.

Explain the atmospheric conditions that favour condensation.