Across
- 4. energy created by ___ reactions
- 6. energy created by the movement of water
- 7. prevention of wasteful use
- 10. a finite resource
- 12. various fuels formed inside the earth
- 14. energy created from the core of the earth
Down
- 1. energy created by ___ turning large fans
- 2. energy created by light from the sun
- 3. a substance harmful to the environment
- 5. to lower the amount of a certain thing
- 8. to repurpose
- 9. fuels created from plants
- 11. to use a resource again as to not waste it
- 13. replenishable