The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the environment and setting the stage for complex life. This event, known as the ...
18hon MSN
Oxygen overshot on Earth 2.3bn years ago, and that should have killed some. They are still here
Earth witnessed the Great Oxygenation Event around 2.3 billion years ago, boosting oxygen levels that allowed new life forms to take root. Before this, oxygen levels on our planet were on a much lower ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback