Across
- 2. an underground basin that holds water that seeps down from rainfall, lakes and ponds
- 4. a large flat-topped but steep-sided landform
- 5. a severe windstorm caused when clashing air masses creat funnels of winds that rotate conunterclockwise
- 6. a close association to advance the common interests of the parties
- 9. to trade one item for another
- 10. a variety of different ideas, arts, customs, skills, foods and beliefs
- 11. the height of a place above sea level
- 12. those things found in nature that are useful to humans
- 13. the study of Earth's physical featuers and how peple interact with them
- 16. hundredth anniversary of something (i.e. statehood)
- 19. a long period withou rainfall
- 20. the average weather of an area over a long period of time
Down
- 1. resistance to disease
- 2. an item made or used by people
- 3. the way of life of a group of people
- 7. group of people hwo share common traditions, beliefs, and patterns of living
- 8. those who lived before recorder history
- 14. the wearing away of land by the action of wind or water
- 15. an elevated, relatively level area
- 17. a stream or river that flows into a larger river
- 18. wandering from place to place
