composition of the atmosphere As Earth's biosphere and atmosphere co-evolved over Stromatolites in Western Australia, today Did ancient Earth look like
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The Earth is the only planet in the solar system which can support life In this article, David Catling of Bristol University describes how the composition of
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out potent greenhouse gases, the early Earth should have been at most times and places frozen Another factor affecting atmospheric composition is that
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probably determined the overall compositions and sizes of its atmospheres and oceans on the nature of Earth's early atmosphere
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