Before becoming Vice-President, Joe Biden represented what state in the US Senate?

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In 2009 what did the "Sears Tower" had its name changed to?

How many dice are used in a standard game of backgammon?

When were the first Winter Olympic Games held?

Which sport would you be playing when competing for the Davis Cup?

According to Exodus, what is the second plague of Egypt?

What two authors" characters are used to name the moon of Uranus?

Which chemical element has the atomic number 4?

How many chromosomes does a chicken have?

What is the more common name for a car engine using the "Otto" cycle?

The comma bacillus causes what disease?

What US state has been led by Patrick Henry and Douglas Wilder?

Alan L. Bean was famous as a what?

When did The Black Death reach London?

What season did The Simpsons enter in 2018?

What two countries have square flags?