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Question

Dinosaurs became extinct by the end of

A
Triassic period
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B
Cretaceous period
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C
Tertiary period
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D
Pliocene epoch
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Solution

The correct option is B Cretaceous period
Dinosaurs came into existence and dominated during the Jurassic period (206-144 mya) of the Mesozoic era. However, the period that followed it, the Cretaceous period (144-64 mya), witnessed the extinction of the dinosaurs and primitive birds, and the emergence of the first modern birds.

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