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Author Question: How long does it take our solar system to complete one orbit around the Milky Way Galaxy? A) 100 ... (Read 101 times)

altibaby

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on: Jul 27, 2018
How long does it take our solar system to complete one orbit around the Milky Way Galaxy?
 
  A) 100 million years
  B) 1 million years
  C) 230 thousand years
  D) 10 thousand years
  E) 230 million years

Question 2

What are the circumstances under which convection can occur in a substance?
 
  A) when the substance is subjected to a strong magnetic field
  B) when the substance is strongly cooled from underneath
  C) when dense material is being added to the substance
  D) when the substance is strongly shaken or disturbed by a strong wind
  E) when the substance is strongly heated from underneath


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tranoy

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

E

Answer to Question 2

E


altibaby

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Reply #2 on: Jul 27, 2018
TY


tranoy

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


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