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.

Explanation:

The geologic time scale shows the Cretaceous period was part of the Mesozoic era and ended at the end of the Mesozoic era. The Precambrian time preceded the Phanerozoic eon which includes the Cambrian period and the Mesozoic era.

Answer:

It ended during the Mesozoic era.