Across
- 1. oil and gas drilling contaminates water
- 4. step in the process of coal formation
- 5. cause streams to be unlivable
- 7. an effect of natural gas on land
- 8. nonrenewable. fission and fussion.
- 9. compose fossil fuels
- 11. coal, oil, natural gas
- 14. affected by pollution. Peppered moth.
- 15. not coal yet,decayed plant matter
Down
- 2. in place of natural reefs
- 3. type of renewable energy.(wind and tidal)
- 6. energy that is limited
- 10. combustible mineral used for energy
- 12. best quality of coal
- 13. energy that can be replenished