Restless Earth- Ocean Trenches Flashcards

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1
Q

What is an ocean trench?

A

A large, deep valley under the ocean

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2
Q

How are ocean trenches formed?

A

Destructive plate boundary
Oceanic plate moves towards continental
Oceanic sinks as it is denser, dragging the continental crust with it
Creates an ocean trench, in the zone of subduction

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