Tornadoes are columns of air that generally come into contact with what kind of clouds?

More Questions:

Macrophobia is the fear of what?

What rare economic condition results when rising prices and recession occur at once?

What opera ends with the line "The commedia is finished!" as Canio stabs Silvio?

What literary work inspired Sting's "Moon Over Bourbon Street" song?

If a triangle has two equal sides, it is what?

From what type of fat was margarine first made from in the US?

What general color does skin turn as a result of jaundice?

What tool did Charles Moncke invent?

Who won an Oscar for his role in the movie "Ray"?

In the sitcom, "Only Fools and Horses" what is Rodney's middle name?

What TV show takes place in the fictional city of Orbit City?

What character is best known for their phrase "What's up, Doc"?

Who had a No.1 hit song in 1998 with "C'est la Vie"?

Which town was severly damaged by the Boland Earthquake in September 1969?

The Artful Dodger is a character from which novel?