Question

What does the geologic time scale confirm about the Cretaceous period?

It ended during the Cenozoic era.
It ended during the Mesozoic era.
It started before Precambrian time.
It started before the Cambrian period.

Answer 1

It ended during the Mesozoic era.

Explanation: The Cretaceous is the last period of the Mesozoic era — its end marks the close of the Mesozoic and the start of the Cenozoic (Paleogene).