Across
- 3. manufactured surfaces that do not absorb water
- 4. cleaning out or scooping out a channel
- 9. fog combined with smoke and pollutants
- 10. unicellular microorganisms
- 11. respiratory condition causing difficulty breathing
- 14. being mixed with a poison or polluting substance
- 16. an organism that transmits a pathogen/disease
- 18. a medicine that inhibits or destroys microorganisms/bacteria
- 19. conditions to maintain health and prevent disease; cleanliness
- 20. engineered elements for storm-water runoff using natural resources
- 21. relating to the respiration/breathing of an organism
- 23. providing necessary nutrients for health
- 24. energy from the sun that travels through space
- 25. genetic information passed down from a parent
Down
- 1. rain that falls on impervious surfaces and runs into natural waterways and ecosystems; often polluted
- 2. nonnative species that takes over a new habitat
- 5. a body of water having no flow; still usually dirty water
- 6. rapid overgrowth of algae in a body of water
- 7. CO2 and pollutants collect in the atmosphere and cause long-term heating of Earth
- 8. substances that occur in nature
- 12. a substance given to stimulate the body's immunity to a virus
- 13. the organism that a pathogen invades/lives in
- 15. being resistant to a particular pathogen or infection
- 17. microscopic infective agent that has DNR/RNA encapsulated by a protein
- 22. a microorganism that can cause disease (bacteria or virus)