Discover Magazine on MSN11 小时
How Ancient Volcanoes Helped Create the Air We Breathe Today
We all depend on oxygen to survive, but about 3 billion years ago, there was barely any oxygen at all. When was the last time ...
Volcanic activity billions of years ago set the stage for Earth's oxygen-rich atmosphere ...
It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid ...
Science Daily12 小时
Are volcanoes behind the oxygen we breathe?
It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers ...