- Earth nearly lost all its oxygen 2.3 billion years ago, A new study pushes the permanent rise of oxygen in the atmosphere to 100 million years later than previously believed https://www.livescience.com/amp/earth-early-oxygen-fluctuated.html?fbclid=iwar3jfjxuzd19itj8wmv2l4o6qukokacpjd7ls5ked52inumrjpzaynoe4go 4 comments space
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