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olga_2 [115]
3 years ago
14

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

Geography
1 answer:
fenix001 [56]3 years ago
7 0
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. <span>The Columbia Plateau is a geologic and geographic region that lies across parts of the U.S. states of Washington, Oregon, and Idaho. </span>

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