Across
- 4. what is dirty air
- 7. what do we breath
- 9. being made impure
- 10. fuels damaging the earth
Down
- 1. capable of being decomposed
- 2. warming hurting our home overtime
- 3. poisonous to humans
- 5. can be deadly
- 6. house effect Bad atmospheric gases
- 8. what powers cars