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At the end of which period on the geological time scale did the dinosaurs become extinct? A. Jurassic B. Quaternary C. Cretaceous D. Tertiary

User Shonta
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(C. The dinosaurs became extinct after the Cretaceous time period, after living on Earth for about 165 Million Years
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Hey, Rockstar2405!The dinosaurs become extinct in the Cretaceous Period. I hope this helps;)
User Jake Taylor
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