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Author Question: Which of the following correctly describes what we mean by a great circle on the surface of Earth? ... (Read 99 times)

neverstopbelieb

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on: Jul 27, 2018
Which of the following correctly describes what we mean by a great circle on the surface of Earth?
 
  A) any circle of latitude
  B) any circle whose center is at the center of Earth
  C) any circle larger than 10,000 km in diameter
  D) a circle of longitude

Question 2

How does dark energy affect the expansion of the Universe?
 
  What will be an ideal response?


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daiying98

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

B

Answer to Question 2

Dark energy is accelerating the expansion of the Universe, making it likely that it will expand forever.


neverstopbelieb

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Reply #2 on: Jul 27, 2018
TY


daiying98

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Reply #3 on: Jul 27, 2018
You're welcome


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