Across
- 4. an area of land where all water present eventually drains into one main body of water
- 7. an area where the climate is different from its surroundings
Down
- 1. the underground fresh water reservoir
- 2. the upper surface of ground water is called the _____ _____
- 3. the concentrations of salts in water
- 5. a mass of ice overlaying snow
- 6. the ability of a material to absorb heat