Across
- 3. when water leaves the aquifer
- 6. the amount of space between particals in a substance
- 8. the highest point in the aquifer from which water can be obtained
- 10. the contamination of natural water bodies by substances that harm organisms and the environment
Down
- 1. when water seeps into the ground and replenishes the aquifer
- 2. the positive benefits that an ecosystem provides to humans
- 4. the supply of fresh water found beneath Earth's surface in the pores of soil, sand, and rock
- 5. a hole in the ground formed when water dissolves underground rock
- 7. the process of separating solid matter from a fluid
- 9. an underground layer of rock, sand, or gravel that holds groundwater