Across
- 2. the volume of open spaces in rock or soil
- 4. excessive richness of nutrients in a lake or other body of water
- 6. the quantity of water in a stream that passes a given time in a period of time
- 7. A chemical intended to kill insects and other organisms that damage crops.
- 9. the rigid outer part of the earth, consisting of the crust and upper mantle.
- 11. The gradual sinking of land. The condition may result from the removal of groundwater or oil, which is frequently instrumental in supporting the overlying rock and soil.
- 12. The movement of deep, cold, and nutrient-rich water to the surface
- 13. the large circular surface current pattern found in each ocean
- 14. a body of rock or sediment that stores groundwater
- 16. The area subject to flooding during a given number of years according to historical trends
- 17. the process by which surface water enters the soil
- 18. water that fills the cracks and spaces in underground soil and rock layers
- 19. The upper level of the saturated zone of groundwater
- 22. Evaporation of water from the leaves of a plant
- 23. Does not contain any salt and can be rivers, lakes, streams,ponds, and wetlands
- 24. an area that has a land surface or topography with numerous depressions called sinkholes
Down
- 1. water pollution that does not have a specific point of origin
- 2. pollution that enters a body of water from a specific source
- 3. The area of land drained by a river and its branches.
- 5. an area of land that drains all the streams and rainfall to a common outlet
- 8. zone where all open spaces in sediment and rock are completely filled with water
- 10. The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celcius
- 15. mixture of fresh and salt water
- 20. water that flows over the ground surface rather than soaking into the ground
- 21. Ability of rock or soil to allow water to flow through it
