Io orbits what planet of the solar system?

More Questions:

How many dice are used in a game of Yahtzee?

Who invented Marmite?

Which Major League hitter drove in the most runs in a single season between 1980-89?

How many stitches are there on an official baseball used in Major League Baseball?

Which novel by Louis de Bernieres is set in Cephalonia?

Who wrote the novels "Good as Gold" and "Closing Time"?

Which US state shares a border with Ohio, Indiana and Wisconsin?

Who provided the voice for Maggie Simpson's first word, which none of her family heard her say?

In the TV show "The Simpsons', who hit Bart with his car?

In what decade was the voting age in the US lowered to 18?

In what year was New York City divided into its boroughs?

The "Turbot War" was a fishing dispute between Spain and what other country?

In March, 2016, former politician Radovan Karadzic was sentenced to 40 years in prison for genocide and crimes against humanity committed during what war?

Who was the Roman god of sleep?

What state borders Alabama to the north?