1. C 2. A 3. D 4. B 5. C 6. D 7. D 8. D 9. B 10. C 11. C 12. A 13. D 14. B 15. A 16. What is Uzbekistan most famous for? 17. He wrote many works before he died at the age of 70 18. Who is the founder of algebra? 19. Which work consists of five big parts? 20. Which of these scientists was born in 783v