Across
- 3. breaking down rocks on the surface
- 4. ways people use land
- 8. land that can be used for crops
- 9. pollution from many places
- 10. agriculture for seafood
- 12. material that has limited use
- 13. steps taken to control pest
- 15. being harmed by poisonous effects
Down
- 1. bad chemicals in places
- 2. pollution from a specific site
- 5. water that fills land cracks
- 6. removal of trees
- 7. land that provides water from seas
- 11. organisms that ruin crops
- 14. federal mission to protect nature