Author Question: If we had detected a signal from an advanced civilization in 2013 which was located at a distance of ... (Read 90 times)

schs14

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If we had detected a signal from an advanced civilization in 2013 which was located at a distance of 7 light-years from the Sun, in what year was the signal actually transmitted?
 
  A) 2007
  B) 2013
  C) 2020
  D) 2006

Question 2

DNA is copied via a process called
 
  A) imitation
  B) reproduction
  C) replication
  D) duplication



lorealeza

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Answer to Question 1

D

Answer to Question 2

C



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