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.

It ended during the Mesozoic era

Explanation:

The Cretaceous period is the last of three periods of the Mesozoic era. The other two are Triassic, Jurassic.

During the Cretaceous period, more birds and plants appeared, as did new types of dinosaurs. Also, the climate on the planet was getting colder.

The entire duration of the Cretaceous period was approximately 79 million years.

B) It ended during the Mesozoic era.

Explanation:

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