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Author Question: How do deep-ocean trenches form? A) Magma from a partially melting tectonic plate makes its way ... (Read 174 times)

kfurse

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on: Jul 16, 2018
How do deep-ocean trenches form?
 
  A) Magma from a partially melting tectonic plate makes its way through the crust.
  B) Subducting lithosphere descends into the mantle.
  C) Two tectonic plates diverge and create a rift valley.
  D) Sediments from a turbidity current settle out in a deep ocean basin.

Question 2

Volcanic islands such as the Hawaiian islands form as a result of ________.
 
  A) subduction
  B) rifting
  C) mantle plumes
  D) batholith emplacement


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Jody Vaughn

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

Answer: B

Answer to Question 2

Answer: C


kfurse

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Reply 2 on: Jul 16, 2018
Excellent

shewald78

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Reply 3 on: Yesterday
Gracias!

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