Answer:
Appalachian Plateau
Explanation:
The Appalachian Mountains are a mountain range that runs down the eastern United States.
The Appalachian Plateau is on their northwestern side and stretches from New York to Alabama.
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The answer is a).
Mining generates (in 2014) just $44.7 billion.
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A radar is used by weather professionals to give them a better look at forming storm cells. Your answer is radar.
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