Помогите мне пожалуйста сделать задание номер 7 срочно надо !

1. Where is USA located?2. What are the countries bordering USA?3. From where to where does the USA extend?4. Does US have only one climate and weather across the country?5. What kinds of land can you find in the US?6. What is the highest mountain in the USA?7. What is the longest river in the USA?8. How many people live in the US?9. How many states are there in the USA?10. What is the capital city of the USA?11. What does D.C. stand for?12. What is the largest city in the USA?