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Chapter 11 Geology Final Exam Review (Got A+ on the test)

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GEOL 1001
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Chapter 11 Geology Final Exam ReviewKey Terms and Concepts to Remember Terms to Remember Biomarker Molecules durable chemicals produced only by metabolism of living organisms Isotopic Signatures analysis of isotopes in carbon rich sediments Ediacaran Fauna usual soft bodied fossils Concepts to Remember hadean eon was considered hell on earth first eon of the earth earth smashed into a protoplanet debris from the collision formed the moon earth was inhospitable during the hadean eon due to the molten surface the atmosphere was filled with nitrogen ammonia water carbon monoxide carbon dioxide and sulfur dioxide this atmosphere was very dense a meteor bombardment destroyed everything that may have been developed at the time during the archean eon the planet went under significant changes birth of continents and appearance of life continental crust was to buoyant to subduct during the archean eon continents may have been formed from collisions among volcanic arcs and hot
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