Across
- 2. The most air pollution come from this
- 5. Caused by The Green House Effect
- 6. Environmental Protection Agency
- 7. Ozone found in the stratosphere
- 10. What cars give off that hurts the environment
Down
- 1. Soot, Grime and Dust
- 3. Another name for bad ozone
- 4. Heat trapped in the atmosphere
- 8. Air quality index
- 9. Harmful to the ozone