Metamorphic, sedimentary, and igneous are types of what?

More Questions:

What country celebrates its National Day on 17th May?

The name "denim" originates from what European language?

What John Steinbeck novel is based on the biblical story of Cain & Abel?

What detective novel begins with a dinner hosted by the mysteriously absent "Mr. U. N. Owen"?

In which city does the Ponte Vecchio span the Arno river?

On the banks of which river is the Taj Mahal?

What is the capital of Honduras?

What is formed when light is bent by layers of hot air?

What movie's protagonist is named Lightning McQueen?

Demi Moore appeared pregnant on the cover of which magazine in 1991?

What sport is the focus of the movie "Fat City"?

Robert Duvall, Marlon Brando, and Harrison Ford all appeared in what movie?

What major political scandal of the Harding administration involved a naval oil reserve on public land in Wyoming?

What nation was led by Casimir the Great?

What army occupied Addis Ababa in May 1936?