Across
- 4. the process of burning wastes
- 6. the action of clearing a wide area of trees
- 7. renewable energy source that is derived from plant, algal, or animal biomass
- 8. animal dung used for fertilizing land
- 10. matter from recently living (but now dead) organisms
- 11. a place where waste is buried in the ground in large amounts
- 12. describing light at the red end of the spectrum
Down
- 1. a natural fuel such as coal or gas,
- 2. Non-hazardous waste material that cannot be re-used or recycled and needs to be sent to energy recoverydisposalposa
- 3. Water supplied by the public water supply system
- 5. a chemical compound with the chemical formula CO 2
- 9. a chemical or biological substance which harms water, air, or land quality