What is the top layer of the Earth called?

More Questions:

What candy bar was named for a beloved horse of the Mars family?

What Hartford manufacturing company began making hex-head wrenches during World War II?

During what war was the novel "M*A*S*H" set?

Which ocean does Suriname have direct water access to?

What word for a part of the eye is also the name of the Greek Goddess of the Rainbow?

What animal is "Artemia salina"?

What is secured in a ship's cathead?

What type of two-sailed vessel is particularly adept at sailing upwind?

Before becoming a singer, what was Perry Como's profession?

Who took over as lead guitarist of the Yardbirds when Eric Clapton quit?

What song by Don McLean talks about the day Buddy Holly died?

What was Clair Huxtable's profession on "The Cosby Show"?

In the movie "Jerry Maguire', Jerry sings along to what Tom Petty song on his car radio?

The Jupiter II spacecraft was featured in what TV series?

Who was the Prime Minister of the UK throughout the 1980s?