Origin of Life: no oxygen (Introduction)

by David Turell @, Thursday, September 26, 2013, 15:00 (4077 days ago) @ David Turell

It is well known that early life did not utilize oxygen, but did later. When oxygen appeared is still under debate:-http://www.sciencenews.org/view/generic/id/353516/description/Oxygen_wafted_into_Earths_atmosphere_earlier_than_thought


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