Across
- 2. Layers of rock or soil in the ground that hold water
- 6. To remove salt from sea water
- 8. the use of a resource
- 10. The average weather, especially temperature and rainfall
- 11. When liquid turns into gas
- 12. Another word for key
Down
- 1. Area that receives less than 250mm of rain that can be cold or hot
- 3. The area next to a river or stream
- 4. A resource able to be used over and over again
- 5. Large frozen mass of river of ice
- 7. Not able to be used again
- 9. the watering of crops in another way than precipitation