Question

cheek my ansers i got 2

Answer 1

What event marks the end of both the Paleozoic Era and Mesozoic Era?

A.
a mass extinction of plants and animals

B.
the ice age

C.
the appearance of birds

D.
the breakup of a supercontinent
here is the first

Answer 2

the 2 is Which describes the correct order of the geologic time scale, from oldest to most recent?

A.
Precambrian Time - Paleozoic Era - Mesozoic Era - Cenozoic Era

B.
Cenozoic Era - Paleozoic Era - Mesozoic Era - Precambrian Time

C.
Paleozoic Era - Precambrian Time - Mesozoic Era - Cenozoic Era

D.
Mesozoic Era - Paleozoic Era - Precambrian Time - Cenozoic Era
i thank it is b