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Author Question: Nearly all the elements found in nature were formed inside stars, EXCEPT for A) carbon and ... (Read 38 times)

robinn137

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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.

Question 2

How many arcseconds are in 1?
 
  A) 60
  B) 360
  C) 3,600
  D) 100
  E) 10,000



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Sammyo

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Answer to Question 1

B

Answer to Question 2

C




robinn137

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

 

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