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Author Question: Describe the appearance of a rift valley that has started on land. How do these valleys form? ... (Read 95 times)

P68T

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Describe the appearance of a rift valley that has started on land. How do these valleys form?
 
  What will be an ideal response?

Question 2

Why does the Atlantic Ocean have the most extensive abyssal plains?
 
  What will be an ideal response?



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bobsmith

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Answer to Question 1

Answer: Extension creates a down-dropped valley bounded by normal faults.

Answer to Question 2

Answer: The nearest tectonic boundary is hundreds of miles from the continents as well as the fact that there are few trenches to trap continental sediment.



P68T

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bobsmith

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