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GS Geography Physical Geography of World
Q.

Our atmosphere is divided into layers:
Explanation:

ANS. (D) 
Earth has five primary layers, which are the troposphere, stratosphere, mesosphere, thermosphere and exosphere. From the Earth upwards, those layers are: Troposphere: 0 to 12 km; Stratosphere: 12 to 50 km; Mesosphere: 50 to 80 km; Thermosphere: 80 to 700 km; Exosphere: 700 to 10,000 km.

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