energy sources
Across
- 3. the nuke waste
- 5. non renewable
- 6. renewable energy
- 7. clean energy
- 9. provided by rivers
- 10. provided by the sea
- 12. fossil fuel
Down
- 1. fossil fuel used in cars
- 2. product of petroleum
- 4. non renewable
- 5. non pollutant
- 8. replenished by nature
- 11. the ability to work