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Author Question: A billion solar mass black hole has a radius of only: A) one solar diameter. B) 20 A.U. C) 400 ... (Read 101 times)

bclement10

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on: Jul 27, 2018
A billion solar mass black hole has a radius of only:
 
  A) one solar diameter.
  B) 20 A.U.
  C) 400 A.U.
  D) 3 parsecs.
  E) 20 parsecs.

Question 2

Nearly all the elements found in nature were formed inside stars, EXCEPT for:
 
  A) carbon and silicon.
  B) hydrogen and helium.
  C) helium and carbon.
  D) silver and technetium.
  E) uranium and radium.


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kmb352

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

B

Answer to Question 2

B


bclement10

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Reply 2 on: Jul 27, 2018
Excellent

bdobbins

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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