Water Pollution

12345678910111213
Across
  1. 6. a lined canal
  2. 8. water is pumped from a groundwater or surface water source into unlined ditches and flows by gravity to crops
  3. 9. any water that contains sewage and other wastes from homes and industries
  4. 10. the top of the groundwater zone
  5. 11. any change in water quality that can harm living organisms or make water unfit for human uses such as drinking, irrigation, and recreation.
  6. 12. used water from showers, sinks, dishwashers, and clothes washers
  7. 13. a rough measure of the volume of fresh water you use directly and indirectly to support your lifestyle
Down
  1. 1. the process of removing dissolved salt from ocean water or from brackish (slightly salty) water in aquifers or lakes
  2. 2. fresh water that is used to produce food and other products
  3. 3. using pipes or tubes to deliver water directly to plant roots
  4. 4. spaces that are completely filled with fresh water
  5. 5. when land above an aquifer sinks
  6. 7. the natural nutrient enrichment of a shallow lake, a coastal area at the mouth of a river, or a slow-moving stream