Across
- 4. The study of how diseases spread and affect populations
- 6. A disease that can be spread from one person to another
- 7. A disease that cannot be spread from one person to another
- 10. A measure of how harmful a substance is to living organisms
- 15. The buildup of toxic substances in an organism over time
- 16. The process of harmful substances moving through air, water, or soil
- 18. A disease that spreads rapidly across a large population
- 19. A strategy to prevent the spread of disease through cleanliness
Down
- 1. diseases Newly identified infections that are increasing in occurrence
- 2. The increase in concentration of toxins as they move up the food chain
- 3. Microorganisms like bacteria and viruses that cause disease
- 5. The variety of life in an ecosystem, which can be impacted by pollution
- 8. Harmful chemicals in the environment that affect human health
- 9. A global outbreak of an infectious disease
- 11. disease A long-term health condition often linked to environmental factors
- 12. Chemicals used to kill pests but may harm human health
- 13. change The warming of Earth due to human activities releasing greenhouse gases
- 14. The amount of a substance an organism is exposed to
- 17. assessment The process of evaluating potential harm from exposure to hazards