Across
- 2. what protects us from the sun's direct heat
- 4. - what do you breath?
- 6. - what gets released in the air
- 8. what we use to power buildings
- 10. - What is dirty air
Down
- 1. what makes our glaciers melt
- 3. Fuel-Gas,Coal,and Oil
- 5. what we use to power cars
- 7. what we use to make electricity
- 9. quality- air levels