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Author Question: The Cretaceous period was in this era A) Cenozoic. B) Mesozoic. C) Paleozoic. D) ... (Read 110 times)

humphriesbr@me.com

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on: Jul 14, 2018
The Cretaceous period was in this era
 
  A) Cenozoic.
  B) Mesozoic.
  C) Paleozoic.
  D) Precambrian.

Question 2

Of the past 2.5 billion years, what  have been ice ages?
 
  A) 60-70
  B) 10-20
  C) 40-50
  D) 70-80


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LP

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


humphriesbr@me.com

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Reply 2 on: Jul 14, 2018
Gracias!

carojassy25

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Reply 3 on: Yesterday
Excellent

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