1. About 200 million years ago, 2. Cenozoic era, 3. The period between the extinction of the dinosaurs and the present day is called the Age of Mammals or Cenozoic. Mammals appeared on the earth long before the extinction of the dinosaurs
About 15 percent of Americans live in poverty
<span>Political appointees always rewarded an administrations supporters with contracts. What caused the failure of the civil service advisory board created in 1871</span>
Answer:
B
Explanation:
I took the test and got it right.
