Earth, mass extinction
About 252 million years ago, 80 to 90 percent of life on Earth was wiped out. In the Turpan-Hami Basin, life persisted and ...
The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth.
We're in the midst of the Earth’s sixth mass extinction crisis ... Fifty percent of the planet’s land mass has been transformed for human use [3]. More atmospheric nitrogen is now fixed by ...
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