What is frozen to make dry ice?

More Questions:

What Sanskrit word do Buddhists use to refer to the endless cycle of birth, death, and rebirth?

What do the letters A and W stand for in the "A&W" root beer name?

Which artist is known as the Father of Impressionism?

What was Tom Clancy’s first novel, publisher in 1984?

In what city would you find the most famous street named "Yonge Street"?

What city named its airport after Charles de Gaulle?

How many calories must you burn to lose one pound?

Whose "Difference Engine" is often described as the first computer?

What color is produced by the complete absorption of light rays?

What disease was once nicknamed "the white plague"?

What kind of animal was the now extinct Dodo?

What brand of sunglasses did Audrey Hepburn sport in the movie "Breakfast at Tiffany's"?

What is Goldfinger’s first name?

In which century did the English Civil War take place?

What decade saw the introduction of the EasyBake Oven, Lite Brite, and Spirograph?