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The mystery of the existence of oxygen on earth, the gas that becomes the source of human life

SUKABUMIUPDATE.comOxygen it is one of the most abundant substances in the universe after helium and hydrogen.

Once upon a time actually levels oxygen on Earth very low and cannot sustain human life.

Until after the existence of creatures capable of photosynthesizing lots of oxygen increasingly on the rise to pave the way for animal evolution.

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Compiled from the Sputnik News page, oxygen plays a very crucial role on Earth as an important ingredient in the mix of factors that make this blue planet habitable.

Apparently not only from the results of photosynthesis, the oxygen may also come from “tectonic” sources according to the study results.

Furthermore, research by a team of scientists from Laurentian University and the University of Michigan, published in Nature Geoscience, offers a partial explanation for the lack of oxygen in molecular form (O2).

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It is necessary to remember what our planet was like between 2.5 billion and four billion years ago.

Launching from HiTekno, during a period called the Archean Epoch, Earth which was still a water world, there was a blanket of methane fog, with no oxygen gas. And the existence of a substance with the chemical formula O2 exists only in compounds such as water.

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