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Author Question: The scarps on Mercury were probably caused by A) tectonic activity. B) meteorite bombardment. ... (Read 43 times)

joesmith1212

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on: Jul 27, 2018
The scarps on Mercury were probably caused by
 
  A) tectonic activity.
  B) meteorite bombardment.
  C) a tidal bulge.
  D) volcanism.
  E) the interior cooling and shrinking.

Question 2

In the proton-proton cycle, the helium atom and neutrino have less mass than the original hydrogen. What happens to the lost mass?
 
  A) It is recycled back into hydrogen.
  B) It is ejected into space.
  C) It is converted to energy.
  D) It is transformed into electrons.
  E) Conservation of mass dictates no mass can be lost.


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zoeyesther

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Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

C


joesmith1212

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Reply #2 on: Jul 27, 2018
Thanks


zoeyesther

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Reply #3 on: Jul 27, 2018
Welcome :)


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