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Author Question: The point in time when the expansion of the universe began is referred to the A) big crunch B) ... (Read 76 times)

nenivikky

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on: Jul 27, 2018
The point in time when the expansion of the universe began is referred to the
 
  A) big crunch
  B) cosmic detonation event
  C) big bang
  D) big blowup

Question 2

What is the most significant drawback of possibly sending humans to Mars?
 
  A) the fact that there would be no possible source of water on the surface
  B) the high probability of contamination of the Martian surface by microbes associated with human beings
  C) the high probability of Martian microbes contamination of contaminating the crew
  D) the fact that astronauts could not breathe in the Martian atmosphere


nathang24

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

C

Answer to Question 2

B


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