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Author Question: Earthquakes and volcanoes are both phenomena produced by the: A) atmosphere. B) hydrosphere. C) ... (Read 86 times)

jrubin

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on: Jul 14, 2018
Earthquakes and volcanoes are both phenomena produced by the:
 
  A) atmosphere. B) hydrosphere. C) biosphere. D) geosphere.

Question 2

The amount of water vapor in the air (by volume) usually does not exceed:
 
  A) 100 percent. B) 28 percent. C) 40 percent. D) 14 percent. E) 4 percent.


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polinasid

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

D

Answer to Question 2

E


jrubin

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Reply 2 on: Jul 14, 2018
Great answer, keep it coming :)

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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