Across
- 2. Process of replenishing groundwater supplies.
- 6. A geological formation that stores groundwater.
- 7. Irrigation A method of watering crops efficiently.
- 8. The protection and preservation of natural resources.
- 9. Over-enrichment of water with nutrients leading to algal blooms.
Down
- 1. The process of removing impurities from water.
- 3. The scientific study of the movement, distribution, and quality of water.
- 4. The presence of harmful substances in water.
- 5. Increase in salt concentration in water or soil.