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Who did Joe Biden nominate as the first-ever female Vice President of the United States?

Which city is known as the "Railway Junction of Maharashtra"?

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How many electoral votes are needed to win the U.S. Presidency?

What is the difference between organic farming and conventional farming?

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What’s it like to be a heavy user of marijuana on a regular basis?

How did the US break Japanese military codes in the run up to the Battle of Midway in 1942?

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Are there negative or long term side effects to teeth whitening?

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What is a river?