Question

what is biosphere?........
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Answer 1

$\huge\mathfrak\red{BIOSPHERE}$

✔The regions of the surface and atmosphere of the Earth or another planet occupied by the living organisms.

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Answer 2

Part of the Earth's surface and atmosphere that contains the entire terrestrial ecosystem, and extends from ocean depths to about six kilometers (3.7 miles) above sea level. Not precisely demarkable, it contains all living organisms and what supports them soil, subsurface water, bodies of water, air and includes hydrosphere and lithosphere. Also called ecosphere.