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Author Question: Parcels of rising mantle are always ________ than adjacent rocks, and parcels of sinking upper ... (Read 63 times)

piesebel

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on: Jul 16, 2018
Parcels of rising mantle are always ________ than adjacent rocks, and parcels of sinking upper mantle are always ________ than adjacent rocks.
 
  A) more dense; less dense
  B) heavier; lighter
  C) warmer; cooler
  D) more basaltic; less basaltic

Question 2

What happens as mantle rock rises?
 
  A) It cools and sinks again almost immediately.
  B) It cools and contracts.
  C) It expands at decreased pressure.
  D) It melts and continues to push upward.


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randomguy133

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C


piesebel

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Reply 2 on: Jul 16, 2018
Excellent

FergA

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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