Microbes, minerals might have triggered Earth’s oxygenation: Study - The Siasat Daily

Washington: There was barely any oxygen in the air for the first 2 billion years of Earth's history and though some microbes were photosynthesizing by the latter part of this period, accumulation of oxygen had not reached levels that would impact the global b…

Washington: There was barely any oxygen in the air for the first 2 billion years of Earth’s history and though some microbes were photosynthesizing by the latter part of this period, accumulation of … [+5566 chars]

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