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Stromatolites date back to approximately

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Stromatolites date back to approximately

Stromatolites date back to approximately
A) 4.6 billion years ago
B) 3.5 billion years ago
C) 3.85 billion years ago
D) 4.0 billion years ago

Textbook

Life in the Universe

Edition: 4^th

Authors: Bennett, Shostak

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Thanks for your help!!

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