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Author Question: The search for Earth-like extraterrestrial life is essentially a search for A) energy B) liquid ... (Read 49 times)

tuffie

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on: Jul 27, 2018
The search for Earth-like extraterrestrial life is essentially a search for
 
  A) energy
  B) liquid water
  C) oxygen
  D) carbon

Question 2

Approximately how many stars are there in the Milky Way galaxy?
 
  A) a few hundred million
  B) a few hundred thousand
  C) more than a hundred billion
  D) a trillion or more


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deja

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

B

Answer to Question 2

C


tuffie

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Reply 2 on: Jul 27, 2018
Gracias!

coreycathey

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Reply 3 on: Yesterday
Excellent

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