Major events not necessary to explain oxygen-rich Earth, study finds
Fewed by - Muzammil Zafar
Scientists at the University of Leeds in England simulated the early Earth's atmosphere on a computer, in an attempt to explain the Great Oxidation Event, which occurred 2.4 billion years ago and greatly increased oxygen levels on Earth, and ultimately allowed for life to evolve. The simulation suggests that gradual changes in nutrient cycles alone may have been responsible for the oxygen-richness, not necessarily a large event.
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Thu Dec 12
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ScienceNews