Question

what do u mean by biosphere

Answer 1

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Here is ur answer⬇️⬇️
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✔BIOSPHERE is the layer of the planet earth where life exists.The biosphere is one of the four layers that surrounded the earth along with the lithosphere ,hydrosphere and atmosphere and it is the sum of all ecosystems.
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Answer 2

The bio sphere is the global sum of all ecosystem. The biosphere is the global ecological system integrating all living beings and their relationship, including their interactions with the elements of the lithosphere, geosphere, hydrosphere and atmosphere.