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Composition of the Atmosphere...
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| 4.5 bil. yrs. ago, a dense atmosphere was made from the gasses let out from the degassing of the planet's interior.These gasses consisted of hydrogen,water vapor,methane,and carbon oxides. | |
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| Before 3.5 billion years ago, the atmosphere was made of carbon dioxide, carbon monoxide, water, nitrogen, and hydrogen | |
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| 4 bil. yrs. ago, the hydrosphere was created from the condensation of water vapor that created oceans of water in which sedimentation occured. | |
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