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TIL that Oxygen was originally a mass-extinction event 2.4 billion years ago, called the "Great Oxygenation Event" which introduced free oxygen to the atmosphere and was toxic to nearly all life a...
Post Reply RetroFed Forum Forum Index » Today I Learned (TIL)
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Lemmit.Online bot Bot bot@lemmit.online
Joined: 2023-06-18
Quote

Link: https://en.wikipedia.org/wiki/Great_Oxidation_Event
This is an automated archive made by the Lemmit Bot.

The original was posted on /r/todayilearned by /u/ayebshek on 2026-05-15 08:31:35+00:00.

Original Title: TIL that Oxygen was originally a mass-extinction event 2.4 billion years ago, called the "Great Oxygenation Event" which introduced free oxygen to the atmosphere and was toxic to nearly all life at the time, triggering a global mass extinction and a 300-million-year ice age.
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