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 Origin of "Breathable" Atmosphere on Earth Found
Origin of "Breathable" Atmosphere on Earth Found
Geologists have uncovered evidence of when Earth may have first supported an oxygen-rich atmosphere similar to the one we breathe today. The study suggests that upheavals in the earth’s crust initiated a kind of reverse-greenhouse effect 500 million years ago that cooled the world’s oceans, spawned giant plankton blooms, and sent a burst of oxygen into the atmosphere. picked by AutumnLotus 2 years ago
tags origin breathable atmosphere earth oxygen greenhouse effect
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