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Author Question: Because of their mass, the threshold temperature for electrons is: A) higher than that of ... (Read 31 times)

bcretired

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on: Jul 27, 2018
Because of their mass, the threshold temperature for electrons is:
 
  A) higher than that of neutrons.
  B) lower than that of protons.
  C) higher than that of protons.
  D) lower than that of hydrogen.
  E) higher than that of hydrogen.

Question 2

It was the distribution of ________ that showed Harlow Shapley we were no where near the center of the Milky Way in the 1920s.
 
  A) planetary nebulae
  B) emission nebulae
  C) open clusters
  D) globular clusters
  E) supernova remnants


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reelove4eva

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

B

Answer to Question 2

D


bcretired

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Reply #2 on: Jul 27, 2018
Thank you!


reelove4eva

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Reply #3 on: Jul 27, 2018
Always glad to help...


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