Author Question: Why is the inner core expanding? A) crystallization B) vaporization C) melting D) ... (Read 34 times)

awywial

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Why is the inner core expanding?
 
  A) crystallization
  B) vaporization
  C) melting
  D) condensation

Question 2

What is defined here? mixtures of ice and rock like dirty snowballs
 
  A) comets
  B) meteors
  C) asteroids
  D) meteorites



dreamfighter72

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Answer to Question 1

Answer: A

Answer to Question 2

Answer: A



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