Across
- 5. rock under soil
- 8. salt -removed from water
- 11. - materials in nature
- 12. pollution-harmful substances in the air
- 13. formed from compacted mass of fragments
- 14. water- water on land not in the ocean
Down
- 1. materials once used cant be replaced
- 2. valueless material
- 3. land that droughts
- 4. natural solid material usually metal
- 6. substance for nature
- 7. resources- a resource that can replenish
- 9. a boulder that differs from others
- 10. yield-extraction level of a resource