umuyahye9437 umuyahye9437

14-12-2021
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did glacial cycles exist about 100 million years ago?

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AngelGalaxy AngelGalaxy

14-12-2021

Answer: No, it only existed 20 million years ago

Explanation: There were two main glacial periods within the Cryogenian, each lasting for about 20 million years: the Sturtian at around 700 Ma and the Marinoan at 650 Ma.

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