Across
- 2. is the water that is beneath the Earth's surface
- 4. is an artificial body of water that usually forms behind a dam
- 5. is water that contains wastes from homes or industry
- 7. is the ability of a rock or sediment to let fluids pass through its open spaces or pores
- 10. is a body or rock or sediment that stores groundwater and allows the flow of groundwater
- 11. is the percentage of the total volume of a rock or sediment that consists of open spaces
- 12. is the introduction into water that is harmful to organisms living in the water or to those that drink or are exposed to the water
Down
- 1. is the process of removing salt from ocean water
- 3. is an area in which water travels downward to become part of an aquifer
- 6. is the area of land that is drained by a water system
- 8. is a method of providing plants with water from sources other than direct precipitation
- 9. is a virus, microorganism, or other substance that causes disease