What TV mother has presided over the longest-running American sitcom ever?

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What month does the summer solstice occur in the northern hemisphere?

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What color hair does the "Mona Lisa" have?

Most of Transylvania is now part of what modern-day country?

What fruit comes in Key and Kaffir variety?

Which scientist is credited with inventing margarine?

What is an alloy?

Who portrayed Michael Corleone's second wife in "The Godfather"?

Oswald Cobblepot is better known as who?

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Queen Mary of England made her reputation by trying to rid her country of what segment of the population?

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Which popular artist was born as Robyn Fenty in 1988 in Barbados?