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Author Question: By what process does the Sun generate energy? A) nuclear fusion B) chemical reactions C) ... (Read 60 times)

savannahhooper

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on: Jul 27, 2018
By what process does the Sun generate energy?
 
  A) nuclear fusion
  B) chemical reactions
  C) nuclear fission
  D) gravitational contraction
  E) gradual expansion

Question 2

While Ganymede and Callisto are about the same size, the surface of Callisto is much younger, with considerable tectonic reformation.
 
  Indicate whether the statement is true or false


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Koolkid240

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

A

Answer to Question 2

FALSE


savannahhooper

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Reply 2 on: Jul 27, 2018
:D TYSM

nothere

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Reply 3 on: Yesterday
Excellent

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