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Continue to ChatEarth lost almost all oxygen and could have suffocated 2.3 billion years ago https://abc7.news/earth-lost-almost-all-oxygen-and-could-have-suffocated-2-3-billion-years-ago.html
Earth lost almost all oxygen and could have suffocated 2.3 billion years ago https://abc7.news/earth-lost-almost-all-oxygen-and-could-have-suffocated-2-3-billion-years-ago.html