Across
- 2. the contamination of natural water bodies by substances that harm organisms and the environment
- 5. the positive benefits that an ecosystem provides to the people
- 6. the amount of space between particles in a substance
- 7. the highest point in an aquifer from which water can be obtained
- 8. usually a pipe in the ground that reaches the water table
- 9. a hole in the ground formed when water has dissolved underground rock to the point where it can no longer support the land surface
- 12. an underground layer of rock, sand, or gravel that holds groundwater
- 14. pollution that can be traced back to a single identifying incident
- 15. when water seeps into the ground and replenishes the aquifer
Down
- 1. the process of separating solid matter from a fluid by have the fluid pass the pores of another substance
- 3. when water leaves the aquifer
- 4. pollution that is discharged over a wide land area and comes from many different sources and locations
- 10. the ease with which substances such as water move through a material
- 11. the supply of fresh water found beneath earth's surface in the pores of soil, sand, and rock
- 13. the study of geology that is focused on the distribution and movement of groundwater in the soil and rocks of earth's crust