Scientists uncover the 2.3-billion-year-old secret that helped keep Earth habitable
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12/10/2026 às 21:271 views
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Scientists may have solved a 2.3-billion-year-old mystery about how Earth maintained enough oxygen to support life. Ancient rocks reveal that phosphorus recycling in the oceans created a self-sustaining cycle that helped keep oxygen levels high, even as the planet underwent dramatic environmental…
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