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

The geologic time scale confirms that the Cretaceous period ended during the Mesozoic era. The Cretaceous is the last period of the Mesozoic era, which is known for the dominance of dinosaurs. Therefore, the correct statement is:

**It ended during the Mesozoic era.**