Where Did Earth’s Early Life Forms Get Oxygen? Scientists Finally Have Some Answers; Checkout!
By studying the genomes of common lifeforms, scientists know that the first organisms on Earth had genes that could break down oxygen and hydrogen peroxide (H2O2). But how hydrogen peroxide - which can be a useful source of oxygen when broken down - got into the water, where the first life evolved, was a mystery. It is known that only trace amounts of H202 were present on the first Earth - Earth in its first billion years. Published in the journal Nature Communications, a new peer-reviewed study by scientists at Newcastle University in the United Kingdom shows that tectonic plate movement — and the associated stresses on the Earth's crust — was a source of oxygen that helped drive the biochemistry where life exists. First evolved on Earth. In the study, the scientists showed h...
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