What duo explored the Pacific Northwest during the early 1800s?

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Sociophobia is the fear of what?

How many teaspoons are in a tablespoon?

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Balsam, Fraser, and Douglas are all types of what?

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What was the family name of circus showman Al, Alfred, John, Otto and Charles?

What city was the setting of the TV show "Friends"?

Molotov cocktails were first used by what country after the Soviets invaded it in 1939?

The Balfour Declaration was published in what year?

What was the last imperial dynasty of China?

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Which play is generally accepted to be Shakespeare's last, fully completed play before his death?

Who played the male lead role in the film "Avatar"?