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Author Question: The main idea of seafloor spreading is that A) lithosphere floats on the asthenosphere. B) new ... (Read 40 times)

cabate

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on: Jul 29, 2018
The main idea of seafloor spreading is that
 
  A) lithosphere floats on the asthenosphere.
  B) new crust forms at a spreading center and old crust is recycled at a subduction zone.
  C) new crust is magnetized according to the existing magnetic field.
  D) the seafloor never stops growing.

Question 2

What kind of plate boundary separates the South American Plate from the African Plate?
 
  What will be an ideal response?


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duy1981999

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

Answer: B

Answer to Question 2

Answer: A divergent boundary. The Mid-Atlantic Ridge, a spreading center in the Atlantic Ocean, separates the two continents.


cabate

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


duy1981999

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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