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Where is the Lowell Observatory, where the planet Pluto was discovered in 1930?
Landmarks
Where is the Lowell Observatory, where the planet Pluto was discovered in 1930?
Palomar, California
Denver, Colorado
Mt. McKinley, Alaska
Flagstaff, Arizona
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A tower named for what animal was the home of a zoo inside the Tower of London?
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What mountain range borders Italy on the north?
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What famous American monument was finished in 1885?
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