1. Which country invented the hot dog?

2. Which planet rotates closest to the Sun?

3. What animal is known as the 'ship of the desert'?

4. Which letter is worth the most points in Scrabble?

5. Which country produces the most olive oil?

6. What is the highest-grossing film of all time?

7. Which animal has the longest lifespan?

8. How many stripes are on the US flag?

9. Which famous clock tower is located in London?

10. Which language is spoken in Brazil?