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Author Question: The latest observations suggest the ratio of matter to energy is about A) 24/73. B) 24/76. C) ... (Read 42 times)

ghost!

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The latest observations suggest the ratio of matter to energy is about
 
  A) 24/73. B) 24/76. C) 3/24. D) 27/73. E) 3/97.

Question 2

Both RR Lyrae and Cepheid variables are giants that ________ in size over time.
 
  Fill in the blank(s) with correct word



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xiaomengxian

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Answer to Question 1

D

Answer to Question 2

pulsate





 

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