Across
- 3. A process to convert used items into new materials.
- 7. Waste that poses a risk to health or the environment.
- 8. To burn waste material at high temperatures.
- 10. Unwanted material or refuse.
Down
- 1. Contamination of the environment by harmful substances.
- 2. An underground system for carrying away wastewater.
- 4. Discarded items or refuse.
- 5. Food scraps and other household refuse.
- 6. A designated area for burying unwanted materials.
- 9. Organic matter used to enrich soil.