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Q: Dinosaurs went extinct about 65 million years ago at the end of the .............. period.
  • A. Cretaceous
  • B. Permian
  • C. Triassic
  • D. Jurassic
Correct Answer: Option A - By the end of the Cretaceous period about 65 million year ago, the dinosaurs were disappeared. According to geologists, Cretaceous period is the most recent period. In this era, the climate became relatively hot due to which all the creatures became extinct. Cretaceous is the third and final period of the mesozoic era, as well as longest.
A. By the end of the Cretaceous period about 65 million year ago, the dinosaurs were disappeared. According to geologists, Cretaceous period is the most recent period. In this era, the climate became relatively hot due to which all the creatures became extinct. Cretaceous is the third and final period of the mesozoic era, as well as longest.

Explanations:

By the end of the Cretaceous period about 65 million year ago, the dinosaurs were disappeared. According to geologists, Cretaceous period is the most recent period. In this era, the climate became relatively hot due to which all the creatures became extinct. Cretaceous is the third and final period of the mesozoic era, as well as longest.