Across
- 3. decayed organic material used as a fertilizer for growing plants.
- 5. waste material, refuse or litter
- 8. consumption of a type of fuel as an energy source.
- 12. something that is no longer useful or required after the cmpletion of a process.
- 14. an opening through which fluid is admitted to a tube or container.
- 16. a thread or filament from which a vegetable tissue.
- 17. the process of digesting food
- 18. wash or rinse out
- 19. leftovers or discarded food
- 20. each of a pair of organs in the abdominal cavity of mammals, birds, and reptiles, that excrete urine.
Down
- 1. a natural oily substance
- 2. a wasting disease, espiacially pulmonary tuberculosis.
- 4. trash, rubbish...
- 6. Where People put rubbish in
- 7. Material consisting of seed coverings and small pieces of stem of leaves that have been separated from the seeds.
- 9. eating greedly and hungrily
- 10. people throwing or dumping rubbish everywhere
- 11. food waste
- 13. not eaten
- 15. kitchen refuse and scraps fed to pigs