Across
- 3. emissions produced from industry
- 4. the degree to which a substance is biologically harmful
- 5. the thinning of the ozone layer
- 8. point at which 50% of test organisms die from a toxin
- 9. when materials are use to rebuild the same product
- 13. pollution from a specific location
- 14. the carrier organism through which pathogens attack, Ex: Tick
- 17. result of an invader pathogen entering body
- 18. any water that has been used by humans
Down
- 1. pollution with no specific departure location
- 2. device that oxidizes some VOCs
- 6. solids that remain after secondary sewage
- 7. can consist of hazardous waste, industrial solid waste
- 9. effect that results from long term exposure to low levels of toxins
- 10. bacteria, virus, etc that can cause disease
- 11. process that allows organic mateerial in solid waste to be decompose
- 12. liquid at the bottom of a landfill
- 15. any substance with an LD50 of 50mg
- 16. osscurs when infection causes change in health
- 19. point at which 50% of organisms show a negative effect from a toxin