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Author Question: Which of the following is true of a flat Universe? A) It is two dimensional. B) It closes upon ... (Read 46 times)

Metfan725

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on: Jul 27, 2018
Which of the following is true of a flat Universe?
 
  A) It is two dimensional.
  B) It closes upon itself.
  C) It has zero curvature.
  D) It is finite.

Question 2

If the average density of matter and energy in the Universe equals the critical density, space-time will be _____.
 
  A) finite
  B) flat
  C) positively curved
  D) negatively curved


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CAPTAINAMERICA

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

C

Answer to Question 2

B


Metfan725

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Reply 2 on: Jul 27, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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