Across
- 4. Water found mainly in lakes and rivers.
- 5. the metric used to describe the volume or amount of water on Earth
- 6. Water stored in soil and between rock formations below Earth’s surface.
Down
- 1. Naturally occurring water with a low concentration of dissolved salts or solids
- 2. Thick ice layers and frozen ground in mountain areas.
- 3. water with a high concentration of dissolved salt