Question

to produce rain
limate
4. Three types of rain are experienced in Pakistan: Monsoon, Depression, Convection.
a) Each of these three types of rain is associated with rising air. Explain why rising air is needed
b) For each of the three types, explain how rising air is produced in Pakistan.
c) For each of the three types of rain referred to in (a):
i. state the time of the year when it usually occurs in Pakistan;
ii. explain why in Pakistan a small amount of rain is usually experienced.
d) In the Indus Plain the summer rainfall is
not always reliable. What problems are
caused for agriculture,
i. if the rainfall arrives early,
ii. if the rainfall arrives late,
Peshawar
iii. if the amount of rainfall varies
considerably from one year to another?
e) How may the problems you have given in
[d] be overcome?
• Quetta
(Cambridge O Level Pakistan Studies 2059/02 Q1 c & d June 2002)​

Answer 1

Answer:

4.A)Air rises due to low air pressure in depressions and clouds forms due to condensation. Thirdly warm air rises because of convection. Heated land warm-up the air and it rises up, high altitude causes cooling, condensation take place and clouds are formed. This causes thunder storm and rainfall

b)Rising air is produced in three ways in Pakistan. Firstly summer monsoon winds rise up along the northern hills and mountains. Secondly rising air occurs in depression which is low air pressure cloud system. Air rises due to low air pressure in depressions and clouds forms due to condensation.