Across
- 3. the ease with which substances such as water move through a material
- 4. pollution that is discharged over a wide land area and comes form many different sources and locations
- 8. the process of separating solid matter from a fluid by having the fluid pass through the pores of another substance, called a filter
- 11. the highest point in an aquifer from which water can be obtained
- 12. the positive benefits that an ecosystem provides to people
- 13. an underground layer of rock, sand, or gravel that holds groundwater; a source of well and spring water
Down
- 1. a hole in the ground formed when water has dissolved underground rock to point where it can no longer support the land surface
- 2. the contaminated of natural water bodies by substances that harm organisms and the environment
- 5. when water leave the aquifer, such as when it seeps into a spring
- 6. the amount to space between particles in a substance
- 7. when water seeps into ground and replenishes the aquifer, such as from percipitantion
- 9. pollution that can be traced back to a single identifying incident, as a leak in an underground storage tank or waste discharging from a factory
- 10. the supply pf fresh water found beneath Earth's surface in the pores od soil, sand, and rock