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Author Question: If we use a 24-hour day to represent Earth's history, humans would have existed for the last: a. 1 ... (Read 171 times)

bobbysung

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on: Aug 7, 2018
If we use a 24-hour day to represent Earth's history, humans would have existed for the last:
 a. 1 minute.
  b. 1 hour.
  c. 2 hours.
  d. 5 hours.
  e. 12 hours.

Question 2

The boundaries between the distinct layers found in many sedimentary rocks are called:
 a. foliation.
  b. regolith.
  c. outcrops.
  d. rock cycles.
  e. bedding planes.


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anoriega3

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Reply #1 on: Aug 7, 2018
Answer to Question 1

A

Answer to Question 2

E


bobbysung

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Reply #2 on: Aug 7, 2018
Thanks


anoriega3

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Reply #3 on: Aug 7, 2018
Welcome :)


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