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dinosaurs went to extinct about 66million years ago . which period of geological time was the last in which dinosaurs lived​

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Answer:

The Cretaceous Period of the Mesozoic Era.

Step-by-step explanation:

:)

User MVChr
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Answer:

Mesozoic

Step-by-step explanation:

Dinosaurs, flying reptiles, and marine reptiles went extinct during the Mesozoic.

User OhioDude
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