Question :

a) Define i) relative humidity.

b) Why is it generally cloudy in the vicinity of a low pressure area and sunny in the vicinity of high pressure?

c) What are the forces involved in generating surface wind?

d) What is an air mass?

e) Where are the tropics?

f) What is meant by a frontal zone?

g) What are the stages of development of a tropical cyclone?

h) What two factors primarily determine the amount of solar radiation reaching the earth's surface?