How will you further sub divide the lowest layer of atmosphere ?

1.	How will you further sub divide the lowest layer of atmosphere ?
Answer» Solution :The lowest layer of the atmosphere is called the troposhere and it extends from 0-10 km from the earth surface. About 80% of the mass of the atmosphere is in this layer. This troposphere in further DIVIDED as follows. (i) Hydrosphere `:` Hydrosphere includes all types of water source like oceans, seas, rivers, LAKES, streams, underground water, polar icecaps, clouds ETC. It covers about 75% of the earth's surface.Hence the earth is called as a blue planet. (ii) Lithosphere `:` Lithosphere includes SOIL, rocks and mountains which are solid components of earth. (iii) Biosphere `:` It includes the lithosphere hydrosphere and atmosphere intergrating the living organism present in the lithosphere hydrosphere and atmosphere.

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