write short note on biosphere
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Biosphere is the layer of planet earth where life exists. This layer ranges from heights of up to then kilometres above sea level, used by some birds in flight to depths of the ocean such as the Puerto Rico trench from more than 8 kilometres deep.
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The biosphere is also known as ecosphere. The term biosphere was coined n geologist Edurad Suess in 1875, which he defined as the place on Earths surface where life dwells. The biosphere is the global ecological system integrating all living beings are their relationships, including their interaction with the elements of the lithosphere, geo-sphere, hydrosphere, and atmosphere.
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