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Author Question: All galaxies start out as members of the blue cloud, but some transition to the red sequence. ... (Read 74 times)

123654777

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on: Jul 27, 2018
All galaxies start out as members of the blue cloud, but some transition to the red sequence.
 
  Indicate whether the statement is true or false

Question 2

During the 1960s and 1970s, scientists designed a spacecraft based on nuclear propulsion, but it was never built.
 
  Indicate whether the statement is true or false


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daiying98

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

TRUE

Answer to Question 2

TRUE


123654777

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Reply 2 on: Jul 27, 2018
Wow, this really help

apple

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Reply 3 on: Yesterday
Excellent

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