Question

Which of the following lists fits the order of these three descriptions: Age of Mammals, Age of Dinosaurs, and longest geologic time period. Choose one: A. Mesozoic, Cenozoic, Paleozoic B. Cenozoic, Mesozoic, Precambrian C. Cenozoic, Hadean, Paleozoic D. Mesozoic, Cenozoic, Proterozoic

Answer 1

b

Step-by-step explanation:

Answer 2

Answer: B

Explanation: The longest geologic era was the Precambrian. It began with the formation of the earth about 4.53 billion years ago, and ended about 542 million years