this post was submitted on 13 Aug 2023
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Today I Learned (TIL)

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[–] [email protected] 35 points 1 year ago

Most things were using sulfur for photosynthesis and not CO2 and O2. Then tectonic events happened that caused O2 production to rise. Suddenly we had an oxidizing atmosphere that killed 80 percent of the diversity of life on earth while also changing the climate.