Evidence from rocks billions of years old suggest that volcanoes played a key role in the rise of oxygen in the atmosphere of the early Earth. …read more Source:: Science
Tag: atmospheric oxygen
Scientists rethink co-evolution of marine life, oxygenated oceans
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•Researchers have confirmed that rising oceanic and atmospheric oxygen levels co-evolved with marine life hundreds of millions of years ago. …read more Source:: Science
Ice cores reveal a slow decline in atmospheric oxygen over the last 800,000 years
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•Researchers have compiled 30 years of data to construct the first ice core-based record of atmospheric oxygen concentrations spanning the past 800,000 years. The record shows that atmospheric oxygen has …read more Source:: Science