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Question

The layer of air that covers the entire earth's surface like a blanket is called _______.


  1. Biosphere

  2. Atmosphere

  3. Hydrosphere

  4. Iithosphere


Solution

The correct option is B

Atmosphere


The atmosphere of the earth consists of a layer of gases surrounding the surface of the earth and retained by earth's gravity. The atmosphere protects life on earth by absorbing ultraviolet solar radiation and warming the surface through heat retention.

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