Ocean trenches form over millions or billions of years. Which statement accurately describes how ocean trenches form?

A) a plate of oceanic crust is subducted under a plate of continental crust

B) two plates of continental crust slide past each other

c) two plates of oceanic crust pull away from each other

D) a plate of continental crust collides with another plate of continental crust

Question

Biology

Beard

13 March, 20:27

Ocean trenches form over millions or billions of years. Which statement accurately describes how ocean trenches form?

A) a plate of oceanic crust is subducted under a plate of continental crust

B) two plates of continental crust slide past each other

c) two plates of oceanic crust pull away from each other

D) a plate of continental crust collides with another plate of continental crust

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Answers (1)

Know the Answer?

Belen · Answer 1

A

Explanation:

When two plates collide, the denser one (usually the oceanic plate) gets subsided under the continental plate. There is very high friction between the two plates - because the plates a very rugged - consequently there is also high stress as the plates slip against one another. This causes the plates to bend at this subduction zone forming a trench.