Across
- 4. the removal of wild life
- 7. any natural material that is used by humans
- 9. a natural resource that can be replaced at the same rate its consumed
- 10. the growth of urban areas caused by people moving to citys
- 11. the wise use of natural resources
Down
- 1. when land becomes desert like
- 2. a natural resource that humans use to make objects or to conuseme food
- 3. a nonrenewable source formed from buried remains of a living thing a long time ago
- 5. gross stuff
- 6. rain that contains acid
- 7. a natural resource that formed much slower than the rate its consumed
- 8. water that is sutable to drink