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Monday, September 18, 2017

Changes in Earth's crust caused oxygen to fill the atmosphere

http://ift.tt/eA8V8J New research has uncovered a direct link between changes in the earth's crust three billion years ago and the introduction of free oxygen to the atmosphere. Without these changes, oxygen could have been suppressed in earth's crust forever, so the findings help explain the emergence of life on our planet.

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