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Author Question: Why does the heat flow dip east of the location where the Juan de Fuca Plate subducts beneath the ... (Read 181 times)

rachel9

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Why does the heat flow dip east of the location where the Juan de Fuca Plate subducts beneath the North American Plate?
 
  A) The ocean water cools the rock in the trench.
  B) The cold subducted lithosphere dips there.
  C) The rock is denser and cooler there.
  D) The rock remained cold there after the most recent ice age.

Question 2

Which of the following determines why subducting plates sink at a particular location?
 
  A) the heat of the asthenosphere at the location
  B) the density of the asthenosphere at the location
  C) the pushing movement of the adjacent plate
  D) the density of the lithosphere at the location



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iceage

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: D





 

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