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The top documents tagged [early earth oxygen]
CHAPTER 6: GEOCHEMICAL CYCLES Most abundant elements: oxygen (in solid earth!), iron (core), silicon (mantle), hydrogen (oceans), nitrogen, carbon, sulfur…
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BioGEOCHEMICAL CYCLES Most abundant elements: oxygen (in solid earth!), iron (core), silicon (mantle), hydrogen (oceans), nitrogen, carbon, sulfur… The
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CHAPTER 6: GEOCHEMICAL CYCLES
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I. Physical Principles : The foundation & the tools Newton's laws: forces, pressure, motion
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