Science
Earth’s Longer Days May Have Produced More Oxygen – VOA Learning English
A team of scientists has proposed that, as Earth’s days got longer, increased continuous light led bacteria to produce oxygen…

A group of scientists has proposed a new theory about how Earths atmosphere got its oxygen: The planet slowed down and days got longer.
A recent study proposes that longer, continuous daylight caused bacteria to produce lots of oxygen. That oxygen made…
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