Ancient glaciers reshaped Earth’s surface, fueling the rise of complex life on Earth, scientists say | CNN

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Sign up for CNN’s Wonder Theory science newsletter to explore fascinating discoveries and scientific advancements. A new study reveals that over half a billion years ago, glaciers on Earth stirred up minerals that shaped complex life by depositing them in the ocean. The Neoproterozoic Era, or “Snowball Earth,” from 1 billion to 543 million years ago, saw the formation and breakup of the supercontinent Rodinia.

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