A billion solar mass black hole has a radius of only: A) one ...

[bclement10]

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.

[kmb352]

Answer to Question 1

B

Answer to Question 2

B

[bclement10]

YES! Correct, THANKS for helping me on my review

[sultansheikh]

Thanks for the timely response, appreciate it