Across
- 3. A dangerous menace for the environment
- 6. Increase of Earth's temperature
- 7. Water coming from the clouds
- 9. Treating dishes and garbage to use them again
Down
- 1. We breath it
- 2. General state of weather
- 3. Dangerous substances used in vegetables
- 4. A layer that protects the Earth
- 5. It existes everywhere on the earth
- 8. It gives you oxygen