Monday, August 23, 2021

Earth nearly lost all its oxygen 2.3 billion years ago

Earth nearly lost all its oxygen 2.3 billion years ago
A new study pushes the permanent rise of oxygen in the atmosphere to 100 million years later than previously believed. Earth's transition to …

* This article was originally published here. * * * * * Visit Al Cannistra Flipboard Curations here.

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