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Test Chapter 3 Plate Tectonics

At a deep-sea trench, oceanic crust sinks into the mantle.
True
O False

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Final answer:

Oceanic crust sinks into the mantle at deep-sea trenches.


Step-by-step explanation:

At a deep-sea trench, oceanic crust sinks into the mantle.

This statement is true.

Deep-sea trenches are formed at subduction zones where one tectonic plate is forced beneath another. In this process, known as subduction, the denser oceanic crust sinks into the mantle, creating a trench on the ocean floor.


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