Across
- 3. the first civilization to use paper money
- 7. the first civilization to use metals
- 8. first civilization in America
- 10. the first civilization to use geometry
Down
- 1. the advanced civilization in the world
- 2. first civilization in the world
- 4. the first civilization to use toothpaste
- 5. the first language used in ancient civilizations
- 6. the first civilization to use coins
- 9. the first civilization to use aqueducts