1. What ocean lies between North America and Eurasia?
2. What year did the Great Depression start?
3. Which vitamin is often referred to as the “sunshine vitamin”?
4. What social network used “stories” first?
5. Which planet in the solar system has the largest diameter?
6. Entomology is the science that studies:
7. What chemical element makes up most of the atmosphere of Titan?
8. In an adult human body, the total number of red blood cells is
9. What gas is used to extinguish fires?
10. Where does the Sushi come from?
