Across
- 4. to make bad by mixing with dirty matter
- 6. American for petrol
- 8. of a kind likely to be damaging
- 9. things thrown away, esp. paper scattered untidily
- 11. conditions of wind, rain, sunshine, snow,etc. at a certain time
Down
- 1. to adapt to a new use
- 2. type of matter
- 3. average weather conditions at a particular place
- 5. discarded or useless material
- 7. waste material to be thrown away
- 10. the movement through an area or along a route