What is the common name for the main vent at the top of a volcano?

More Questions:

Who condensed milk for first time in the US in 1856?

Who was the first man to appear on the cover of Playboy Magazine?

What is the Shaddock a variety of?

What year did GM first introduce the Corvette?

In the title of a George Bernard Shaw play, what's John Bull's Other Island?

The John Knowles novel "A Separate Peace" is narrated by which character?

What is the two letter postal abbreviation for the state of Virginia?

What is the capital of Denmark?

Which river runs through Rome?

In what country was the concentration camp "Treblinka" located?

What falcon is the fastest bird in North America?

The first four of Jupiter's Moons that were discovered, are referred to as what?

In which 2003 film did High Grant play the British Prime Minister?

Whitney Houston's self-titled debut album was released in what year?

In "Minority Report', what part of Tom Cruise's anatomy does his character replace to help him avoid authorities?