Water

4. A free flowing aquifer due to the pressure of two impermeable layers surrounding it
6. This term describes land that is composed of caves, sinkholes, and underground streams
7. This term means that the layer is not easy for liquids to move through
9. This term means that the layer has many connected pores
11. Type of pollution that comes from a single source
12. Body of saturated rock that holds groundwater

1. Excess of nutrients that leads to algae growth, bacteria growth, oxygen depletion, and finally a DEAD ZONE.
2. The line between saturated and unsaturated zones
3. Type of pollution that comes from a widely spread areas
5. The area of land that drains to a body of water
8. Water that flows off the land surface rather than soaking in
10. Partially enclosed body of water where salt water mizes with fresh water