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Author Question: Large circulation patterns in the Sun, dubbed Conveyor Belts, transport material from the equator to ... (Read 56 times)

mydiamond

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on: Jul 27, 2018
Large circulation patterns in the Sun, dubbed Conveyor Belts, transport material from the equator to the poles, then back to the equator at a depth of 300,000 km, take how long to complete a cycle?
 
  A) Less than a day
  B) A few years
  C) A few decades
  D) A few centuries
  E) Tens of millions of years, comparable to the convection cycle in Earth's mantle

Question 2

How does the Sun generate energy today?
 
  A) nuclear fission
  B) nuclear fusion
  C) chemical reactions
  D) gravitational contraction
  E) gradually expanding in size


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scottmt

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

C

Answer to Question 2

B


mydiamond

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Reply 2 on: Jul 27, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
Gracias!

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