Q: Answer the following questions:
a) What is atmosphere ?
Ans: A huge blanket of air around the earth is known as atmosphere.
b) Which two gases make the bulk of the atmosphere ?
Ans: Nitrogen and Oxygen are the two gases which make the bulk of the atmosphere.
c) Which gas creates green house effect in the atmosphere ?
Ans: Carbon dioxide creates green house effect in the atmosphere.
d) What is weather ?
Ans: Weather is hour-to-hour, day-to-day condition of the atmosphere.
e) Name three types of rainfall.
Ans: Cyclonic, Relief (Orographic) and Convectional
f) What is air pressure ?
Ans: The pressure exerted by the weight of air on the earth’s surface is known as air pressure.