U.S. Geography

What is the longest river that lies entirely within the state of Ohio?

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What lake is the largest natural body of water in North Dakota?
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The first basketball game was played in what Massachusetts city?
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What 24.5-acre park in downtown Chicago was opened to the public in 2004?
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How many stars are on the official Chicago flag?
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In what U.S. state would you find the capital city of Phoenix?
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Which of these states is not landlocked?
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What is the highest mountain in Vermont?
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Missouri is separated from Illinois by which river?
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