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The top documents tagged [bya origin of life]
Formation of the Great Lakes Part 1 Precambrian Geology History Channel Video Chapter 2 in Grady Chapter 2 in Greenberg
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NS3310 - Physical Science Studies
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Hadean (4.5 to 3.96 bya) Earth accreted from bolides. Material differentiated into core, mantle, crust and atmosphere. Hostile conditions. Early crust
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