<human>: What are some of the most common questions asked in the classroom?
<bot>: 
1. What is the capital city of Brazil?
2. How many countries are in the European Union?
3. Who was the first person to be cloned?
4. When did the Berlin Wall fall?
5. What is the name of the building that houses the United Nations headquarters?
6. What is the population of China?
7. How many people were killed in the Titanic disaster?
8. Where did the movie ‘The Godfather’ take place?
9. What year did the first atomic bomb get dropped?
10. What is the meaning of the acronym NATO?