Revision history of "Biosphere"

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  • (cur | prev) 14:24, 17 June 2011Paulreed (Talk | contribs)‎ . . (+420)‎ . . (Created page with "[[description::is the global sum of all ecosystems. A closed (apart from solar and cosmic radiation) and self-regulating system From the broadest point of view, the biosphere is ...")
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