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13 November, 22:51

Which gases made up most of Earth's early atmosphere?

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  1. 13 November, 23:05
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    For decades, scientists believed that the atmosphere of early Earth was highly reduced, meaning that oxygen was greatly limited. Such oxygen-poor conditions would have resulted in an atmosphere filled with noxious methane, carbon monoxide, hydrogen sulfide, and ammonia
  2. 13 November, 23:07
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    Oxygen, Nitrogen, Carbon Dioxide and Argon.
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