Across
- 5. the long term decrease in the amount of protective ozone between us and our Sun.
- 8. the state of the air around us.
- 9. the trapping of the sun's warmth in a planet's lower atmosphere.
- 10. a warming of the earth's atmosphere that a result of air pollution.
Down
- 1. gases that pollute the air and cause the warming of the Earth's atmosphere.
- 2. Fog that has become mixed and polluted with smoke.
- 3. when the moisture in the air combines with the nitrogen gases coming from factories.
- 4. a pollutant created by substances of natural origin.
- 6. Environmental Protection Agency
- 7. is an air pollutant that damages human health.