Across
- 6. A substance used with water for washing and cleaning
- 7. The provision of fresh air to a room or building.
- 9. A disease transmitted by mosquitoes.
- 13. A phenomenon of being clean, safe and healthy
- 15. The act of washing oneself.
- 16. The body's defense against infectious organisms.
- 17. Something to be removed from houses, buildings, and factories periodically
- 18. An infectious disease causing severe diarrhea
- 19. A bacterial disease spread through contaminated water.
- 20. The process of removing impurities from water.
- 23. A state of being free from dirt or impurities.
- 25. Said to Better Thann Cure
Down
- 1. The process of adding chlorine to water to disinfect it.
- 2. Is Said to be the purest form of natural water
- 3. A large natural or artificial lake used as a source of water supply.
- 4. The ability to maintain at a certain rate or level.
- 5. A substance used to reduce or eliminate pathogens on the skin.
- 8. Water that has been used and contains waste.
- 10. A substance used to eliminate harmful microorganisms.
- 11. a process to make water free of germs via heat
- 12. The condition of being free from illness or injury
- 14. Microscopic organisms that can cause disease.
- 21. To process used materials into new products.
- 22. The invasion and multiplication of microorganisms in body tissues.
- 24. The process of providing or obtaining the food necessary for health