Question

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

a. The ice ageB. The appearance of birds
c. A mass extinction of plants and animalsD. The breakup of a supercontinent

Answer 1

D.The breakup of a super continent.

Step-by-step explanation:

its not,

A.ice age.

B.The appearance of birds.

or

C.A mass extinction of plants and animals.

Thank you and your welcome.

Answer 2

D. The breakup of a supercontinent

What event marks the end of both the Paleozoic Era and Mesozoic Era?
NOT:
a. The ice age
B. The appearance of birds
c. A mass extinction of plants and animal