That Time The Ocean Lost (Almost) All Its Oxygen

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This is the story of how our planet rescued itself from extreme conditions in the Cretaceous Period, at the cost of essentially suffocating the oceans for half-a-million years.
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References: https://docs.google.com/document/d/1t1qGzNmkM7mZ0LBdPyjGtptgwy6fb9VgSQjA-tXkvVg/edit?usp=sharing

Видео That Time The Ocean Lost (Almost) All Its Oxygen канала PBS Eons