AdhoraM1300 AdhoraM1300
  • 14-11-2017
  • Biology
contestada

Before photosynthesis evolved, ___ was rare in earths atmospherer

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jennalaytonow39th
jennalaytonow39th jennalaytonow39th
  • 14-11-2017
I'm pretty sure the answer is oxygen because photosynthesis is the reason we have oxygen
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