<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>
The executive Power shall be vested in a President of the United States of America. He shall hold his Office during the Term of four Years, and, together with the Vice-President chosen for the same Term, be elected
It <span>greatly damaged the ecology and agriculture of the American prairies which led to a severe drought. </span>
