Author Question: Dark energy A) has mass. B) has never been directly observed in the laboratory. C) pushes on ... (Read 58 times)

Tirant22

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Dark energy
 
  A) has mass.
  B) has never been directly observed in the laboratory.
  C) pushes on space.
  D) All of the above.
  E) None of the above.

Question 2

Oxygen condenses into a liquid at approximately 90 K. What temperature, in degrees Fahrenheit, does this correspond to?
 
  A) -193F
  B) -217F
  C) -265F
  D) -297F



CharlieArnold

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Answer to Question 1

D

Answer to Question 2

D



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