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Author Question: Elements above hydrogen and helium come from _____. a. the early stages of the Universe, before ... (Read 234 times)

tuffie

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on: Jul 27, 2018
Elements above hydrogen and helium come from _____.
 
  a. the early stages of the Universe, before the formation of stars and galaxies
  b. the collision of neutron stars and black holes
 c. cooling and accretion of molecules in dense molecular clouds
 d. the last phases of stellar evolution and stellar death
 e. matter falling into supermassive black holes

Question 2

The importance of the general theory of relativity lies in its description of ____.
 
  a. acceleration
  b. gravity
 c. mass
 d. space-time
 e. velocity


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vickyvicksss

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

d

Answer to Question 2

b


tuffie

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


vickyvicksss

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


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