Across
- 2. The upper layer of earth where plants grow
- 3. Line on a map joining points of equal elevation
- 4. Area where rainfall collects and drains into a river or reservoir
- 6. The wearing away of earth by water, wind, or human activity
- 8. Process of refilling groundwater through infiltration
- 10. Water that flows over the land surface instead of soaking into the ground
Down
- 1. Water present in small amounts in the air or ground
- 5. Collecting crops or water resources for use
- 7. Particles of soil or rock that settle at the bottom of water bodies
- 9. Process where water enters the soil from the surface