3 years ago

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

1 answer:

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. 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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