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The four natural physical spheres are: Lithosphere, Atmosphere, Hydrosphere, and Biosphere

Date Submitted: 09/10/2006 00:27:32
Length: 1 pages (190 words)
Views: 67521

Lithosphere (litho is Greek of stone) The solid, inorganic portion of Earth, comprising the rock …

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…term also includes the vast variety of earthly life forms (properly referred to as biota).

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