What is the only rock that will float on water?

More Questions:

What nickname did tennis player Pete Sampras go by during his career?

What safety-minded European automaker pioneered side airbags in the 1990’s?

What is the Spanish word for navy?

The Linke Scale is used to measure the blueness of what?

Which chemical element has the highest boiling point?

On a map, the horizontal lines are called what?

How many ribs does the typical human body have?

What actor played the role of Father Vito Cornelius in the 1997 movie "The Fifth Element"?

What legendary Hollywood cowboy was born as Leonard Slye in 1911?

What screen legend made his final appearance in the movie "On Golden Pond"?

What was the nationallity of Rasputin?

What city was Veronica Guerin killed in?

What is the smallest marine mammal?

How was Mark Feld better known in the 1970s?

Which Hollywood celebrity was born Dino Crocetti in 1917?