What color are sapphires, usually?
How many letters are there in the Greek alphabet?
What is the second largest country in South America?
What river is the Hoover damn on?
What was Paul McCartney's real name?
What number does the letter 'D' represent in Roman numerals?
What does a lepidopterist study/collect?
What is the most popular form of martial arts in Japan today?
What is the capital of Lebanon?
What is the smallest species of alligator alive today?
