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