This reveals the most important change “in the history of the planet”.
Researchers at the Massachusetts Institute of Technology (MIT) have proposed a new theory to explain how oxygen concentration might have built up in the Earth’s atmosphere, according to a press release.
Billions of years before the first humans were born, the Earth’s atmosphere lacked the oxygen we need to survive. Some microbial organisms were using photosynthesis to generate some oxygen, however, the amounts produced were not sufficient to support many lifeforms. Around 2.3 billion years ago, though, the oxygen levels began to build up in the atmosphere, but the reasons for the same and still unknown. at the Massachusetts Institute of Technology (MIT) have proposed a new theory to explain how oxygen concentration might have built up in the Earth’s atmosphere, according to a press release.
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