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Are volcanoes behind the oxygen we breathe?

  • ScienceDaily faviconScienceDaily

    Mar 10, 2025, 1:42 pm622 ptsHotTop
    photo of Are volcanoes behind the oxygen we breathe? imageIt is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers provide a mechanism to explain precursor oxygenation events, or 'whiffs,' which may have opened the door for…
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