water systems
Across
- 2. the action or process of draining something.
- 4. cycle a hydrological cycle
- 5. water, water present beneath Earth's surface
- 7. warming a long-term rise in the average temperature
- 8. the rigid outer part of the earth,
- 9. Geology and landforms
Down
- 1. a scientist who researches the distribution, circulation and physical properties
- 3. the gases surrounding a star
- 5. apersistent body of dense ice that is constantly moving
- 6. the, saltiness of a body of water