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