Across
- 7. A type of species vital to the success of an ecosystem, ex.(oyster).
- 9. When water molecules attract to each other.
- 10. Boils at 212 degrees F
- 11. An underground layer of saturated permeable rock that holds groundwater.
- 12. A measure of how murky water is.
Down
- 1. When saltwater moves into freshwater aquifers.
- 2. Freezes at 32 degrees fahrenheit.
- 3. The gradual or sudden sinking of the Earth's surface due to overpumping of groundwater.
- 4. Ability of a substance to conduct an electrical current.
- 5. Any body of water found on Earth's surface.
- 6. When water molecules attract to molecules of another substance
- 8. A body of water with extremely low levels of dissolved oxygen.