Question

2 The word Biosphere refers to:
Zone of water on earth which can support life.
Zone of soil, water and air around earth capable of supporting the flora and fauna.
Part of earth surface which can support the flora
Parts of air around earth where life can exist.

Answer 1

Zone of soil water and air around earth capable of supporting flora and fauna.
Biosphere on earth comprises of air water and soil where life exists.

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