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Author Question: Most coal deposits were formed in the A) Cenozoic era. B) Mesozoic era. C) Paleozoic era. D) ... (Read 103 times)

lbcchick

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on: Jul 29, 2018
Most coal deposits were formed in the
 
  A) Cenozoic era.
  B) Mesozoic era.
  C) Paleozoic era.
  D) Precambrian era.

Question 2

The first time period for which abundant fossils have been found is the
 
  A) Precambrian.
  B) Silurian.
  C) Pliocene.
  D) Cambrian.


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lgoldst9

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


lbcchick

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Reply #2 on: Jul 29, 2018
Thank you!


lgoldst9

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Reply #3 on: Jul 29, 2018
Always glad to help...


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