What organ in the human body produces insulin?

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The mouth of the Mississippi River is located in which state?

Which US state is home to the Steamboat Geyser?

How many canine teeth are there in a normal set of human teeth?

What 1990 dance craze gave the Digital Underground their biggest hit?

Who became Yusuf Islam in 1977?

What decades was the Zodiac Killer active in the US?

Which US president lived in Sagamore Hill?

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In which city is the Sistine Chapel?