The oxygen sustaining every breath you take began as industrial waste from microbes that didn't know...
Scientists say the oxygen you just breathed in was once the deadliest poison on the planet, released by tiny microbes that accidentally wiped out most of the life around them in what geologists call the Great Oxidation Event
The oxygen sustaining every breath you take began as industrial waste from microbes that didn't know they were killing almost everything alive.
Author: Space Daily
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