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Author Question: Which of the terrestrial planets has the most difficult time retaining an atmosphere? a. Mercury ... (Read 237 times)

charchew

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Which of the terrestrial planets has the most difficult time retaining an atmosphere?
 
  a. Mercury
  b. Venus
  c. Earth
  d. Mars

Question 2

Which of the following is the largest object?
 
  a. The Milky Way galaxy.
  b. The Large Magellanic Cloud.
  c. The Local Group.
  d. The Andromeda galaxy.



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bbburns21

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Answer to Question 1

A

Answer to Question 2

C





 

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