Across
- 2. farming
- 5. not produce carbon
- 8. the amount of something that someone uses
- 9. ability to do work
- 11. something that is different from something else
- 12. colour
- 13. power produced when the nucleus of an atom
Down
- 1. something want to solve
- 3. a masurment of amount carbon dioxide
- 4. help or do what people ask
- 6. the energy become everyday
- 7. of or connected with the heat inside the earth
- 10. the process of making or growing something