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Author Question: Observations of galaxies and clusters of galaxies indicate that about ___________ percent of the ... (Read 49 times)

haleyc112

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on: Jul 27, 2018
Observations of galaxies and clusters of galaxies indicate that about ___________ percent of the matter in the universe is dark matter.
 
  a. 5
  b. 25
  c. 35
  d. 45
  e. 90

Question 2

The CNO cycle requires higher temperatures than those needed in the proton-proton fusion chain.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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helenmarkerine

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

e

Answer to Question 2

True


haleyc112

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


helenmarkerine

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


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