Across
- 3. A layer that is destroyed by CFCs
- 6. Caused due to the greenhouse effect
- 7. Caused by oil spills and factory waste
Down
- 1. Methane, CO2, Hydrogen, and Fluorine are what type of gasses
- 2. Smoke and other pollutants combined with fog
- 4. A resource that can be used again and again
- 5. Rain that contains a high concentration of pollutants
- 8. Another word for poisonous