The Ignoramus' Quiz No.9

1. What is the official language of the United States Of America?

2. The standard SMS tone on a Nokia phone is Morse code for what?

3. Who are known as the Memphis Mafia?

4. Which object in the solar system has surface features exclusively named after characters in the Greek myth, Jason and the Argonauts?

5. What do you call a cheese lover?

For the answers, please visit: ten things i didn't know until last week.