Across
- 3. Any material that will not decompose in the composting process (includes glass, metal, plastic, and styrofoam).
- 6. The process by which worms convert organic waste into worm castings (rich in plant material).
- 7. A liquid extracted from compost that contains nutrients.
- 9. Biological degradation of organic matter under aerobic conditions to a relatively stable hummus-like material.
- 10. Food or other organic waste that is sorted to remove contamination and recyclables at the location where waste is generated (an acronym).
- 11. The dark or black carbon-rich relatively stable residue resulting from the decomposition of organic matter.
- 12. Sludge Solid portion of waste from sewage treatment plants (contains human waste).
Down
- 1. Soil that contains minerals from the subsoil and humus from the organic layer. It is the layer of soil where most plant and animal life can be found.
- 2. Occurs naturally when an organism dies; its remains are attacked by microorganisms and invertebrates in the soil and its decomposed into hummus.
- 4. A tunnel formed when an earthworm eats its way through soil or pushes soil aside to form a place to live.
- 5. Matter Chemical substances of animal or vegetable origin, consisting of hydrocarbons and their derivatives.
- 8. content The percent of a substance comprised of water.