Across
- 2. To step in and settle a dispute or disagreement
- 5. A stream that flows into a large body of water, such as a river
- 7. A discussion between nations with the goal of reaching an agreement
- 8. A widely spread disease, affecting many people
- 11. Biological resistance to a disease
- 12. A high, wide, flat area hundreds of miles across
- 13. A group who share similar culture and have lived in a geographical region for many years
Down
- 1. Something not depleted when used, or can be grown or created over and over
- 3. A law-making body of government
- 4. Something that can only be used once
- 6. An area below or at sea level and does not usually have mountains
- 9. Man-made ditches or canals used by farmers to bring water from lakes and streams to their plants
- 10. The movement of a group of animals from one place to another