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Author Question: Dark energy A) has mass. B) has never been directly observed in the laboratory. C) pushes on ... (Read 50 times)

Tirant22

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on: Jul 29, 2018
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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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

D


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