Through the process of [___], old, dense crust is pushed toward a deep-ocean [___]. There, it sinks under lighter crust. It returns to molten rock, becoming part of the [___] again.
Answer
Answer:
trench

Question

Through the process of [___], old, dense crust is pushed toward a deep-ocean [___]. There, it sinks under lighter crust. It returns to molten rock, becoming part of the [___] again.

Revolt · Accepted Answer

trench

Plate Tectonics

Through the process of [_], old, dense crust is pushed toward a deep-ocean [_]. There, it sinks under lighter crust. It returns to molten rock, becoming part of the [___] again.

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