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Author Question: What almost always represents the surface of the lithosphere? A. regolith B. bedrock C. soil ... (Read 86 times)

londonang

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on: Jul 13, 2018
What almost always represents the surface of the lithosphere?
 
  A. regolith
  B. bedrock
  C. soil
  D. crust
  E. pedogenesis

Question 2

In contrast to Earths past mass extinctions, what is the cause of current extinctions?
 
  A. decreased insolation
  B. human activity
  C. tectonic shifts
  D. climate change
  E. species competition


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fur

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Reply #1 on: Jul 13, 2018
Answer to Question 1

C

Answer to Question 2

B


londonang

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Reply 2 on: Jul 13, 2018
Great answer, keep it coming :)

peter

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Reply 3 on: Yesterday
Excellent

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