What element must be burned out of pig iron to make steel?

More Questions:

What famed London street was home to gentlemen's clubs like the Anthenaeum and the Reform Club?

What media personality was once a speechwriter for Richard Nixon?

What company opened its first Italian eatery at Brooklyn's Kings Plaza Shopping Center in 1967?

What classic novel's subtitle is "From This World to That Which Is to Come"?

Which literary work's title character is named Isabel Archer?

Which US state is nicknamed the "Keystone State"?

Which two US states are separated by the Delaware Bay?

What was the housekeeper's name in the TV series "The Brady Bunch"?

What line is missing from some bowdlerized edits of Van Morrison's "Brown Eyed Girl"?

In the show "Family Guy', Meg was an intern in the office of which elected official?

On "The Simpsons', what character's wife is voiced by SNL's Jan Hooks?

When was NATO formed?

What year did Adolf Hitler rise to power in Germany?

What number is represented by "M" in Roman numerals?

Which musician sang the song "Save Tonight"?