Across
- 6. – The containers where waste is decomposed to emit gas.
- 7. – Biogas is essentially a _______ of methane and carbon dioxide.
- 8. – A specific type of animal waste mentioned in the text.
Down
- 1. – The name of the gaseous fuel obtained from organic waste.
- 2. One of the two primary uses for this fuel mentioned in the text.
- 3. – One of the two main gases that make up the fuel.
- 4. A category of waste along with farm and animal waste.
- 5. The organisms that decompose organic waste in the digesters.