Across
- 4. a low area of land that lies between hills or mountains
- 5. natural resources found underground, such as gold, iron, copper, and salt
- 7. a landform with steep sides that rise to a flat top
- 8. a natural resource that is burned to make heat or energy
- 11. a resource that cannot be made again quickly by nature or people
- 14. a resource that can be made again by nature or by people
- 15. the time when plants can grow
Down
- 1. a chain of mountains
- 2. land, water, climate, and plant life
- 3. the plants, animals, land, water, and climate that make up an area
- 6. resource something from nature that people can use, such as trees, water, and soil
- 9. the wearing away of Earth's surface
- 10. plant life
- 12. a map that shows a place's main physical features
- 13. save