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Author Question: Slabs of oceanic lithosphere sink at subduction zones because the subducted slab is denser than the ... (Read 320 times)

09madisonrousseau09

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on: Jul 14, 2018
Slabs of oceanic lithosphere sink at subduction zones because the subducted slab is denser than the underlying asthenosphere. In this process, called ________, Earth's gravity tugs at the slab, drawing the rest of the plate toward the subduction zone.
 
  A) slab pull
  B) ridge push
  C) convection
  D) reverse polarity

Question 2

The ________ is weaker and less rigid than the overlying lithosphere.
 
  A) crust
  B) lower mantle
  C) upper mantle
  D) asthenosphere


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dmurph1496

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

Answer: A

Answer to Question 2

Answer: D


09madisonrousseau09

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Reply #2 on: Jul 14, 2018
Correct answers!


dmurph1496

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Reply #3 on: Jul 14, 2018
Great! Please up vote :D


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