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Author Question: In what kind of plate boundary is material from the crust very slowly forced downward, back into the ... (Read 46 times)

ereecah

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on: Jul 14, 2018
In what kind of plate boundary is material from the crust very slowly forced downward, back into the mantle?
 
  A) divergent
  B) convergent
  C) transform
  D) vertical

Question 2

The greater thickness of what kind of rocks causes the continents to have higher surface elevations than the oceanic crust?
 
  A) sial
  B) metamorphic
  C) igneous
  D) sima


shewald78

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


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