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The top documents tagged [earths primitive atmosphere]
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Chapter 6 The Earth. Our Earth is a very special place
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Macroevolution The Beginning… / Scientists have tried to figure out the initial conditions and events that may have resulted in the origin of life, however,
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The Origin of Life Early and Modern Ideas. I - OLD IDEA Spontaneous generation or abiogenesis - Life could arise from non-living material. People observed
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GEOLOGIC TIME - Earth is 4.65 Ga old
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Friday November 11, 2011
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Wednesday November 9, 2011
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Life in the Universe
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