Franklin Pierce is the answer to this question.<span>
</span>
<span>c. bacteria that could produce oxygen
</span>Which evolved during the Paleozoic Era?<u>bacteria that could produce oxygen
</u>
NOT:
a. earth’s first land plants
b. the first humans
<span>d. saber-toothed cats</span>
President Nixon was the biggest problem.
I believe your answer is A. Ronald Reagan
Hope this helps!
Answer: A secondary source of information is one that was created later by someone who did not experience first-hand or participate in the events or conditions you're researching.
Explanation: