Across
- 4. an artificial body of water that usually forms behind a dam
- 6. a body of rock or sediment that stores groundwater and allows the flow of groundwater
- 8. a flowing network of rivers and streams draining a river basin
- 10. all the bodies of fresh water above the ground
Down
- 1. the water that is beneath the Earth's surface
- 2. where most of the fresh water on earth is
- 3. water that contains waste from homes or industry
- 5. evaporation, condensation, and precipitation are parts of this
- 7. what causes most oil pollution in the ocean
- 9. the area of land that is drained by a water system