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Author Question: On average, how fast do the plates move on the Earth? A) a few millimeters per century B) about 1 ... (Read 107 times)

abarnes

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on: Jul 27, 2018
On average, how fast do the plates move on the Earth?
 
  A) a few millimeters per century B) about 1 mile per hour
  C) a few centimeters per year D) a few kilometers per year

Question 2

Paradoxically, while the core of the red giant is contracting and heating up, its radiation pressure causes its photosphere to swell up and cool off.
 
  Indicate whether the statement is true or false


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firehawk60

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

C

Answer to Question 2

TRUE


abarnes

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Reply #2 on: Jul 27, 2018
TY


firehawk60

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


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