• Wrufieotnak@feddit.org
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      5 days ago

      Correct, but that shows what an chemical engineering masterpiece photosynthesis is.

      It also isn’t just one step, but multiple smaller steps in between, which make it possible to break the C-O bond.

      But the difference is, that for photosynthesis, there are other reaction partners that are able to bond to the Carbon and Oxygen atom. For the decomposition, they likely were in a pure CO2 atmosphere, making it hard for the atoms to find better reaction partners than each other.