It’s B! reconstruction amendments :)
<span>D. The breakup of a supercontinent
</span>What event marks the end of both the Paleozoic Era and Mesozoic Era?
NOT:
a. The ice age
B. The appearance of birds
<span>c. A mass extinction of plants and animal</span>
Answer:
D) Business should operate with little or no government interference. =)
Explanation: