Air and Water Pollution

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Across
  1. 2. The AQI color that represents very clean air.
  2. 3. O3
  3. 4. Consists of soot, dust, etc
  4. 9. The AQI color that represents very unhealthy air.
  5. 10. The initial pollutant direct from the source
  6. 12. This carries pollutions onto other areas
  7. 13. Needed for respiration in animals.
  8. 14. An agency that monitors the pollution of the air, land and water.
  9. 15. ___________ water has less oxygen than cool water.
  10. 16. Nonrenewable resources that comes from prehistoric plants and animals.
Down
  1. 1. Low cool air is trapped under a layer of less dense warm air in an urban valley or basin. This prevents the dispersion and dilution of pollutants.
  2. 5. Abbreviation for chlorofluorocarbons
  3. 6. Acidic rain, snow, fog and cloud water
  4. 7. Brownish haze that forms on sunny days over cities with a lot of automobile traffic
  5. 8. Gases in the atmosphere that play a role in warming the earth
  6. 11. Air pollution can make it difficult to breathe if you have _______.
  7. 17. A _________ hose can be used to reduce water needed for irrigation.