Across
- 2. plant food
- 4. growing, adding
- 6. removal of waste
- 7. hot water vapor
- 10. moment of change
- 12. farms, farming
- 14. many, a lot
- 15. factories
- 18. surround, fence in
Down
- 1. caused, made happen
- 3. shipping, moving
- 5. everywhere
- 8. essential, important
- 9. ports, waterfronts
- 11. bringing in, entry
- 13. join together
- 16. the same
- 17. large, huge