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The word Biosphere refers to :
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- 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 a where life can exist
- Zone of water on earth which can support life.
Correct Option: A
Biosphere refers to that portion of the Earth which is occupied by the various forms of life, in addition to the three main physical zones, the Lithosphere, the Hydrosphere and the Atmosphere.
