Across
- 3. fuel that is made from biomass
- 5. for example, coal, natural gas and oil
- 6. partially decomposed organig matter
- 7. these are used to convert sunlight into energy
- 9. energy from the movement of water
- 11. It can be recharged over and over again.
- 12. base component of transport fuel and plastics.
Down
- 1. heat that comes from the sub-surface of the earth
- 2. energy that is collected from renewable resources, for example, wind, water or sun.
- 4. energy form the sun
- 8. cows generate this greenhouse gas
- 10. greenhouse gas that comes from burning of fossil fuels.