Oxygenation not crucial to origin

This is a news story, published by MSN, that relates primarily to UC Berkeley news.

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atmospheric oxygen

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Science

A new study from UC Berkeley proves that high levels of oxygen were not crucial to the origin of animals

Summary

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84% Informative

A study conducted by geochemists from UC Berkeley provided new evidence that high levels of oxygen were not crucial to the origin of animals.

The researchers discovered that oxygenated deep oceans happened between 540 and 420 million years ago .

The geologic effects of an increase in oxygen were evident from rocks exposed to the atmosphere which became red as the iron in it reacted with the oxygen to form iron oxides, similar to iron metal rusts.

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Informative language

Neutral language

Article tone

semi-formal

Language

English

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not offensive

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not hateful