Metamorphic, sedimentary, and igneous are types of what?

More Questions:

Which bird is the national bird of Ecuador?

Who started the first commercial pretzel bakery in the US?

What date is inscribed in the tablet held by the Statue of Liberty?

In what US state would you find Fort Hood?

What is the nothernmost provincial capital?

Lobamba and Mbabane are the legislative and administrative capitals of which African country?

Ascorbic acid is commonly referred to as what?

What does Morpheus tell Neo to follow in "The Matrix"?

In The Simpsons episode, "Mr. Plow," who played Old Man Winter in Homer's Mr. Plow commercial?

What puppeteer created Kermit the Frog and Miss Piggy?

What famed TV personality wrote the screenplay for 1968's "Planet of the Apes"?

In which movie marked the first appearance of Charlie Chaplin's character, The Tramp?

The US was among several nations that sent troops to quell which 1900 uprising in China?

The Sphinx is a statue that guards what?

Androphobia is the fear of what?