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Author Question: Why are there volcanoes on the west coast of North America but not on the east ... (Read 136 times)

serike

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on: Jul 13, 2018
Why are there volcanoes on the west coast of North America but not on the east coast?

Question 2

What separates one cyclothem from another in a sequence?
 A)an erosional surface
 B)a body of water
 C)a craton
 D)a mobile belt
 E)a clastic wedge


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juliaf

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Reply #1 on: Jul 13, 2018
Answer to Question 1

The west coast is an active continental margin where the Juan de Fuca plate is subducting beneath the North American plate causing rock melting and volcanic activity. The east coast is a passive continental margin where no such activity occurs.

Answer to Question 2

A


serike

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Reply 2 on: Jul 13, 2018
:D TYSM

zacnyjessica

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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