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Question
Briefly explain main layers of the atmosphere.
Solution
Following are the five main layers of atmosphere:
(i) Troposphere: It is the lowest layer that contains air and that extends up to 8‒20 km from the Earth.
(ii) Stratosphere: It is the second layer of atmosphere that extends up to 50 km from the Earth.
(iii) Mesosphere: It is the third layer of atmosphere that lies above the stratosphere.
(iv) Thermosphere: It is the fourth layer of atmosphere that extends up to 100‒120 km from the Earth.
(v) Exosphere: It is the outermost layer of atmosphere.
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