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Saumik Bhattacharya · Answer 1 · 2022-12-25T14:04:18+0000

Answer:

4.6 billion years ago

Step-by-step explanation:

Precambrian, period of time extending from about 4.6 billion years ago (the point at which Earth began to form) to the beginning of the Cambrian Period, 541 million years ago.

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