Across
- 4. plants, wheat , vegetables , sg you grow in fields
- 5. wastewater, polluted water
- 6. you can't keep sg at the same level
- 12. a process when you clean dirty water
- 13. growing plants, keeping animals
- 14. undergound places where you can find water
Down
- 1. being clean
- 2. water you find in lakes, rivers not in a sea
- 3. shopping, buying products and services
- 7. watering plants
- 8. you can reach sg, you can get sg
- 9. when you can't have more of sg
- 10. water that you can drink
- 11. when you don't have sg