Across
- 3. where exhaust fumes come from
- 6. waste that is good for the earth
- 9. increase in the Earth’s surface temperature
- 10. to use something more than once
- 12. something that doesn’t exist anymore
Down
- 1. synonym of garbage
- 2. the natural home of an animal or plant
- 4. combination of fog and smoke
- 5. Conditions that affect life in an area
- 7. oil in the sea
- 8. contamination that affects health and quality of life
- 11. the normal weather conditions in a region