Across
- 5. Substance in air,soil,or water that makes it impure/unfit for consumption/intended use
- 6. Flow of water from the land subsurface;also known as recharge
- 7. Capable of being broken down by living things
- 8. Lowering of the groundwater level caused by pumping
- 9. Loss of water from groundwater aquifers at a rate greater than the recharge
- 10. The time required for a volume of groundwater to move between points
Down
- 1. Zone immediately below the land surface where the pores contain water and air,while not totally saturated in water
- 2. Geological formation of sand,soil,gravel and rock able to store and yield water
- 3. Use of a resource that reduces the supply without returning an equal amount
- 4. Water of a quality suitable for drinking
