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Author Question: Observations of galaxies and clusters of galaxies indicate that about ___________ percent of the ... (Read 99 times)

haleyc112

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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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Answer to Question 1

e

Answer to Question 2

True





 

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