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Author Question: Which of the following elements is the physical basis of life on Earth? A) Nitrogen B) Oxygen ... (Read 57 times)

urbanoutfitters

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on: Jul 27, 2018
Which of the following elements is the physical basis of life on Earth?
 
  A) Nitrogen
  B) Oxygen
  C) Carbon
  D) Hydrogen

Question 2

Which of the following is the fastest human device ever launched?
 
  A) Sputnik 1
  B) The New Horizon probe
  C) The Rosetta orbiter
  D) Voyager 2


Jane

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

C

Answer to Question 2

B


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