Metamorphic, sedimentary, and igneous are types of what?

More Questions:

According to Greek mythology, what was the only spirit that remained in Pandora's box?

What Victor Hugo title character was enamored with a poor gypsy girl named Esmerelda?

Which character killed Clare Quilty?

In which US state does the Rio Grande river begin?

What vitamin complex includes thiamine, niacin and riboflavin?

What country did poinsettias originally come from?

The "Standard Model" theory applies to which branch of Science?

Who was the only one of the six main characters on "Friends" to not get married at any time on the show?

In the TV show "The Simpsons', who was Barney's high school sweetheart?

What Happy Day's star turned down the plum film role of Danny Zuko in "Grease"?

Which movie was the first feature film made entirely in CGI?

Mort Goldman from the TV show "Family Guy', is based on a character from what comedy duo?

What two countries fought in the Battle of the Plains of Abraham?

What was the series of campaigns to wrest the Holy Land from Muslim Turks?

What element is assigned the chemical symbol Cf?