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alexandraconger11 alexandraconger11
  • 07-02-2017
  • Biology
Answered

Which process is most responsible for the increase in early Earth's atmospheric oxygen levels?

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walterlexie walterlexie
  • 06-09-2017

Photosynthesis is the best choice

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chellabella3170
chellabella3170 chellabella3170
  • 08-09-2017

i would say condensation.

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