Earth practically misplaced all its oxygen 2.3 billion years in the past

by akoloy

Earth’s transition to completely internet hosting an oxygenated environment was a halting course of that took 100 million years longer than beforehand believed, in accordance with a brand new research.

When Earth first fashioned 4.5 billion years in the past, the environment contained virtually no oxygen. But 2.43 billion years in the past, one thing occurred: Oxygen ranges began rising, then falling, accompanied by large modifications in local weather, together with a number of glaciations that will have coated your complete globe in ice. 

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