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Author Question: The overall result of the proton-proton chain is ________. A) 6 H becomes 1 He + energy B) p + p ... (Read 116 times)

Kthamas

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on: Jul 27, 2018
The overall result of the proton-proton chain is ________.
 
  A) 6 H becomes 1 He + energy
  B) p + p becomes 2H + energy
  C) 4 H becomes 1 He + energy
  D) individual protons are joined into long chains of protons

Question 2

Which hypothetical universe will eventually contract, if there were no dark energy?
 
  A) the universe with 1.5 times the critical density of matter
  B) the universe with 1.0 times the critical density of matter
  C) the universe with 0.5 times the critical density of matter


amanda_14

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

C

Answer to Question 2

A


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Kthamas

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


amanda_14

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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