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Author Question: Mammals arose during the __________ era. a. Hadean b. Cenozoic c. Phanerozoic d. ... (Read 63 times)

Bob-Dole

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on: Jul 10, 2018
Mammals arose during the __________ era.
 
  a. Hadean
  b. Cenozoic
  c. Phanerozoic
  d. Mesozoic

Question 2

The Tertiary period spans from __________.
 
  a. 4.5 million to 60,000 years ago
  b. 248 million to 6.5 million years ago
  c. 5.43 billion to 45 million years ago
  d. 65 billion to 54.8 million years ago


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chjcharjto14

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Reply #1 on: Jul 10, 2018
Answer to Question 1

Correct Answer: d

Answer to Question 2

Correct Answer: d


Bob-Dole

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Reply 2 on: Jul 10, 2018
Great answer, keep it coming :)

billybob123

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Reply 3 on: Yesterday
Wow, this really help

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