The Kelvin scale is used to measure what?

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Which is heavier, a baseball or a softball?

A pike most resembles what kind of weapon?

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What river defines the border between Texas and Mexico?

Frankfort is the capital of which US state?

Which European country replaced the Markka with the Euro?

In what organ of the human body would you find the loops of Henle?

What animal is also called a wildebeest?

Which Actor played Chachi Arcola on the TV show "Happy Days"?

Which car was the subject of the 2015 documentary, “A Faster Horse”?

In which decade did John Travolta star in "Grease"?

What band was George Michael a part of before going solo?

Who succeeded Oliver Cromwell as Lord Protector?

In 1989, several hundred Chinese students were killed while demonstrating in what Beijing location?

What year was Jack the Ripper active?