Across
- 2. an overgrowth of algae
- 7. _____zone: regions where the water can infiltrate the soil and reach the aquifer
- 8. not enough access to freshwater to drink or grow food
- 14. since the Exxon Valdez oil spill all oil tankers must now be double-_______.
- 15. the process of removing salt from water
- 17. uses the majority of both water withdrawal and consumption
- 19. the process of plants releasing some water into the atmosphere through their leaves
- 20. overflow of fluid from a farm or industrial factory that causes eutrophication
- 21. a _______ aquifer is physically separated from the groundwater
Down
- 1. the process of water soaking into the soil
- 3. water that is too polluted or degraded to meet water quality standards is _______
- 4. removing any trash or large objects that may have entered the sewage system
- 5. __________ aquifer: provides water for irrigation of crops in the Great Plains
- 6. the area of land over which all rain and other water sources drain into it
- 8. zone of __________: where all of the spaces between soil particles are filled with water
- 9. a compression and shrinking of the zone of saturation
- 10. _____ source pollution: pollution from a single, identifiable source
- 11. saltwater _________: when ocean water mixes with groundwater due to overconsumption
- 12. water permanently removed from a source
- 13. cone of _________: excessive water withdrawal can cause a lowering of the water table
- 16. kills the bacteria used to decomposed sewage in the waste water treatment process.
- 18. ______ Water Act: law that set the allowable limits for various pollutants in surface waters