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Author Question: If seafloor spreading creates new lithosphere, does the size of Earth change? A) Yes, Earth is ... (Read 72 times)

Marty

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on: Jul 29, 2018
If seafloor spreading creates new lithosphere, does the size of Earth change?
 
  A) Yes, Earth is getting larger.
  B) No, the extra crust is crumpled up to form mountains.
  C) No, older crust is recycled back into the asthenosphere.
  D) Yes, the Earth is shrinking because it is cooling.

Question 2

Tectonic plates are composed of the
 
  A) crust and mantle.
  B) lithosphere.
  C) lithosphere and the asthenosphere.
  D) crust.


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kristenb95

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


Marty

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

alvinum

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Reply 3 on: Yesterday
Excellent

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