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The Columbia Plateau exposes dark rock that spans the states of Washington, Oregon, and Idaho. What made this vast plateau?

layers of sedimentary rock that deposited, like the Grand Canyon

layers of continuous basaltic lava flow that cooled and hardened

layers of metamorphic rock that eroded and extruded from deep in the earth's crust

layers of batholith that eroded and became exposed

Verified Answer :

The correct answer for the question that is being presented above is this one: "layers of metamorphic rock that eroded and extruded from deep in the earth's crust. The Columbia Plateau is a geologic and geographic region that lies across parts of the U.S. states of Washington, Oregon, and Idaho. 

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Answer:C is the answer

Explanation:

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