Across
- 7. — base or supporting organization; groundwork
- 9. — return to health after illness
- 12. — something that stimulates creativity or action
- 16. — clearing of forests (removal of trees)
- 17. — person who travels to discover unknown places
- 18. — non-fiction film or TV program about real events
- 20. — substance that stimulates immunity to a disease
- 22. — natural home of a plant or animal
- 23. — state of being unwell; disease
- 25. — at risk of extinction
- 26. — converting waste into reusable material
- 27. — actions taken to stop something happening
- 28. — practices for maintaining health and cleanliness
Down
- 1. — invasion of the body by harmful organisms
- 2. — successful result of effort; accomplishment
- 3. — experienced adviser or teacher
- 4. — steady state between opposing forces
- 5. — harmful contamination of air, water, or soil
- 6. — mosquito-transmitted fevering disease
- 8. — the physical world; plants, animals, landscapes
- 10. — study of human cultures and societies
- 11. — knowledge or consciousness of something
- 13. — act of keeping safe from harm
- 14. — living together peacefully
- 15. — tiny infectious agent that replicates inside hosts
- 19. — medical care given for an illness
- 21. — study of ancient human remains and artifacts
- 24. — drug or treatment used to cure or prevent illness