Across
- 5. The traditional behavior that is composed of different elements such as language, belief, and religion.
- 6. variety of species in an ecosystem
- 7. artificial waterway
- 9. permanently frozen ground
- 11. the process of changing into a desert
- 14. chain of islands
- 15. protection of the environment
- 16. a piece of land completely surrounded by water
- 19. process of redirecting water to crops using channels
- 20. inactive for a long period of time
Down
- 1. largest body of freshwater in the world
- 2. closeness
- 3. hurricane that brings heavy rain and flooding
- 4. Multiple cultures in once society
- 8. All the land areas are connected in one block.
- 10. flat land found in arctic and subarctic regions
- 12. height above sea level
- 13. A certain area, typically a part of a country
- 17. surrounded by land, having no access to the coast
- 18. very dry, with extremely hot daytime temperatures
