Oxygen content evolved over time significantly increase between 1000 and 700 million years ago.
Has the oxygen content evolved over time?
As time passed, conditions on Earth and living beings changed, resulting in autotrophic organisms capable of carrying out photosynthesis using initially carbon dioxide and hydrogen sulfide, a process still carried out today by bacteria known as sulfobacteria.
With this information, we can conclude that the oxygen content evolved over time significantly increased between 1000 and 700 million years ago.
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