What is a biosphere? Explain it in 2 paragraphs.
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Q. What is Biosphere ?
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- The word Biosphere is derived from Greek words 'bios' which means life and 'sphaira' meaning sphere.
- The Biosphere is the layer of Earth on which life exists and all living beings interact with each other and along with Biosphere Earth is surrounded by three more layers - Lithosphere (rock) , Hydrosphere ( water) and atmosphere (air) . Biosphere can also be considered as sum of all ecosystems on Earth.
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