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Venus has no plain oxygen because oxygen is reactive. It probably requires life to break apart CO2 and cast off the O2 into the atmosphere. Certainly it requi
by cryptonector 7y ago
Venus has no plain oxygen because oxygen is reactive. It probably requires life to break apart CO2 and cast off the O2 into the atmosphere. Certainly it required life to do that on Earth.
- three_seagrass 7y agoPretty much. Earth's reducing, oxygenating atmosphere is an anomaly that did not exist before stromataliths. https://en.wikipedia.org/wiki/Stromatolite#cite_ref-PiP_15-1 https://en.wikipedia.org/wiki/Stromatolite#cite_ref-PiP_15-1