Question

At the end of which era did the dinosaurs became extinct?

Cenozoic

Jurassic

Mesozoic

Paleozoic

Answer 1

At the end of the Cretaceous Period

Answer 2

Cretaceous Period

Step-by-step explanation:

Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living on Earth for about 165 million years.