What are the four main ingredients of concrete?

More Questions:

Which three ingredients does a Kamikaze cocktail contain?

Which TV production company brought the show "Late Night With David Letterman" to NBC?

In the novel "Fahrenheit 451', what does the title refer to?

Which capital city was once known as Byzantium?

In what city can tourists visit the famous Bourbon Street?

What rating refers to the measure of auto-ignition resistance of gasoline used in internal combustion engines?

Who is credited with the discovery of penicillin?

What is measured in Amperes?

What is the name given to the animals that live their lives both in water and on land?

Mel Gibson both directed and starred in which 1995 movie?

Who co-wrote and directed the 1974 movie "Blazing Saddles"?

What happened on September 1, 1939 that led to Britain and France declaring war on Germany?

In mathematics which prefix refers to 10 to the power of minus 18?

In which European city would you find the "Atomium" landmark?

If you are at Chicago's Comiskey Park, what sport would you be watching?