No Time To Waste

1234567891011
Across
  1. 3. Cutting waste into small pieces
  2. 4. Killing harmful microorganisms
  3. 6. Worm used in vermicomposting
  4. 8. Gas produced from organic waste
  5. 9. Converting waste into reusable material
  6. 10. Compost made using worms
  7. 11. Process using steam to sterilize waste
Down
  1. 1. Thermal decomposition without oxygen
  2. 2. Burning waste at high temperature
  3. 3. Sorting waste at source
  4. 5. Waste from human activities
  5. 7. Waste disposal site