Across
- 4. having to do with the city
- 6. a way to bring water to something that needs it
- 7. an area and the conditions that surround it
- 9. wide and deep enough for ships to pass
- 11. something useful found in nature
Down
- 1. things that harm nature
- 2. structures people build to carry water
- 3. not enough
- 5. the science of farming
- 8. power that people use from nature
- 10. to make changes to something
- 11. having to do with countryside