Across
- 3. Answer to a problem
- 5. South American grassland
- 9. Of excellent standard
- 10. Tiny, fast-flapping bird
- 12. Advanced society with cities
- 13. Before the current one
- 15. Studies human cultures
- 16. Relating to a country
- 18. Group with a purpose
- 20. All-powerful being
Down
- 1. Willing to give freely
- 2. Process of growing or improving
- 4. Takes a long time
- 6. Machine thinking ability
- 7. Give toward a cause
- 8. Inspect carefully
- 11. Recognize or name
- 14. Fight or effort to overcome
- 17. As a result
- 19. Three-sided shape