Question

What is biosphere? please help me​

Answer 1

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The biosphere is defined as the region on, above, and below the Earth's surface where life exists.

Answer 2

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• The biosphere is made up of the parts of Earth where life exists—all ecosystems. The biosphere extends from the deepest root systems of trees, to the dark environments of ocean trenches, to lush rain forests, high mountaintops, and transition zones like this one, where ocean and terrestrial ecosystems meet.