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Question

Answer the following questions.

(i) What is Atmosphere?

(ii) Which two gases make the bulk of the atmosphere?

(iii)Which gas creates greenhouse effect in the atmosphere?

(iv) What is Weather?

(v) Name three types of rainfall.

(vi) What is an Air Pressure?

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Solution

(I) The huge blanket of air surrounding the Earth is called an atmosphere.

(ii) Nitrogen and Oxygen make the bulk of the atmosphere.

(iii) Carbon Dioxide creates greenhouse effect in the atmosphere.

(iv) Weather refers to the short-term changes in the atmosphere. It is the hour-to-hour, day-to-day condition of the atmosphere.

(v) Convectional rainfall, Orographic rainfall and Cyclonic rainfall are the three types of rainfall.

(vi) Air Pressure is defined as the pressure exerted by the weight of air on the Earth’s surface.


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