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geology-Describe the transition from a reducing atmosphere

Question # 00109277
Subject: Geology
Due on: 10/28/2015
Posted On: 09/28/2015 09:25 AM
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Describe the transition from a reducing atmosphere to an oxidizing atmosphere. What was responsible for this change? Your answer should include:
  • Lines of evidence for a reducing atmosphere pre-2.5 Ga
  • Line of evidence for the changeover to oxidizing condition
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geology-Describe the transition from a reducing atmosphere

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