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  2. Geology/Geography/Oceanography/Atmospheric Sciences
  3. Exploring Geology
  4. Quiz 10: The Seafloor and Continental Margins

Island Arcs Are Curved Because

Question 37
Multiple Choice

Island arcs are curved because: A)the shapes of the continents were arcuate as they rifted apart B)the shape of the mid-ocean ridge matches the shape of the continents C)Earth is a sphere,not a flat plane D)most terranes added to the continental margin are circular

Related questions
Q 38
Which of the following is the present plate-tectonic setting of oceanic crust in the Bering Sea? A)it contains a mid-ocean ridge B)it is being generated by back-arc spreading C)it does not contain any currently active plate boundaries D)it was formed by thinning of continental crust
Q 39
Which of the following is the presently occurring near the Sea of Japan? A)oceanic crust in the sea of Japan is being generated by back-arc spreading B)Japan is moving closer to Asia over time C)Volcanoes in Japan are related to subduction of oceanic crust that forms in the Sea of Japan D)all of these
Q 40
Which of the following seas was formed when spreading and transform faulting sliced off a sliver of the continent? A)Sea of Japan B)Bering Sea C)Philippine Sea D)Gulf of California
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