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7 votes
7 votes
A_________ is a deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle.

A. mid-ocean ridge
B. rift valley
C. mountain range
D. deep ocean trench​

User Itsananderson
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1 Answer

19 votes
19 votes

Answer:

D

Step-by-step explanation:

User Lundahl
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