Across
- 5. Harmful materials in the environment
- 8. A fluid essential for life
- 10. Used water
- 13. Presence of impurity which affects negatively
- 14. Microscopic organisms
- 15. State of complete physical, mental and social well-being
- 16. Clean
- 17. Quality that organisms have when they are not dead
Down
- 1. Keeping yourself and surroundings clean
- 2. Provision facilities for safe disposal of wastes
- 3. Anything free from dirt
- 4. Act of getting rid of something
- 6. Way to pure water at home
- 7. Mass of salt water
- 9. Fit to drink
- 11. Our planet
- 12. Illness of body