biomass energy

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Across
  1. 5. burning
  2. 7. a type of alcohol fuel made by plants
  3. 10. heating biomass in the absense of oxygen
  4. 11. electricity generated from biomass
  5. 13. can use it more than once
  6. 14. things from the environment used for fuel
  7. 15. plants grown especially for their fuel
Down
  1. 1. things from the earth
  2. 2. a thermalochemical process the converts biomass into a gas
  3. 3. a mixture of hydrogen and carbon
  4. 4. the raw material used in a conversion process
  5. 6. any organic matter
  6. 8. where the plants are grown
  7. 9. a chemical reaction involving water
  8. 12. where plants are broken down into chemicals