Environmental Science
Across
- 2. DDT
- 5. getting rid of
- 6. around us
- 9. Birds
- 10. lice
- 11. what pesticide should be called
- 14. mosquito
- 15. lasts long time
- 16. magnification
- 17. Fuels
- 19. typhus
- 20. Hopkins Rachel Carson got masters
Down
- 1. DDT
- 3. insects
- 4. gives off oxygen
- 7. pesticide
- 8. malaria
- 12. Muller
- 13. cycle
- 18. spring