The sphere of living matter together with water, air and soil on the surface of the earth is known as

Question: The sphere of living matter together with water, air and soil on the surface of the earth is known as
(1) Lithosphere 
(2) Biosphere
(3) Hydrosphere 
(4) Atmosphere

Answer: (2) Biosphere
Part of the Earth’s surface and atmosphere that contains the entire terrestrial ecosystem, and extends from ocean depths to about six kilometers 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.



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