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Author Question: The cosmic microwave background radiation was emitted during a time when ____ was the important ... (Read 92 times)

sjones

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on: Jul 27, 2018
The cosmic microwave background radiation was emitted during a time when ____ was the important process in the Universe.
 
  a. recombination
 b. ionization
 c. fusion
 d. antiproton production
  e. positron production

Question 2

Consider the complete magnetic cycle of sunspot activity on the Sun. Approximately how many years is this cycle?
 
  a. 100 years
  b. 11 years
 c. 7 years
 d. 40 years
 e. 22 years


tuwy

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

a

Answer to Question 2

e


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sjones

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Reply #2 on: Jul 27, 2018
Thanks


tuwy

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Reply #3 on: Jul 27, 2018
Welcome :)


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