General Knowledge - World Geography - Discussion

Discussion Forum : World Geography - Section 3 (Q.No. 54)
54.
The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as
stratosphere
ionosphere
biosphere
mesosphere
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Soumya satyakanta said:   1 decade ago
As it also supports life on earth it is called biosphere. It is the sum of lithosphere, hydrosphere and atmosphere.

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