Across
- 2. farm
- 3. factory
- 5. providing medical services
- 7. used water
- 9. to make less severe or painful
- 10. ability to maintain
- 11. causing severe vomiting and diarrhoea
- 13. your airways get narrow and blocked by excess mucus
- 15. social and economic
- 17. the bronchial tubes become inflamed and swollen
- 18. worse or weaker
Down
- 1. how we breathe
- 4. ruins
- 6. process of improving hygiene
- 8. discharge of gas or radiation
- 12. knowledge that something exists
- 14. removal of rock or soil
- 16. a nonmetallic element