Across
- 3. Pollutant that react with other parts of the atmosphere
- 4. Set standards for emissions of the big 6 air pollutants
- 6. Hydrocarbons and other organic chemical air pollutants
- 7. Combination of atmospheric pollutants and moisture
- 8. Pollutant released directly to the air as pollution
- 10. Result of low pH precipitation and uptake of carbon dioxide into the ocean
- 12. Highly reactive gas formed by combustion or lightning
- 13. Trap infrared radiation from Earth
- 14. Type of particulate matter that is larger and not as dangerous as PM2.5
- 15. When found at ground level it is associated with respiratory distress.
Down
- 1. Air pollutant associated with volcanic eruptions and coal combustion.
- 2. Formed by incomplete combustion of fossil fuels.
- 3. Good ozone
- 5. An increase in temperature with height,that can trap smog close to the ground
- 9. Natural greenhouse gas that varies greatly by location and climate.
- 11. Largely attributed to cattle farming