Nonrenewable Energy Resources
Across
- 1. one of the most dangerous jobs
- 3. taking out
- 7. naturally occurring solid materials
- 8. unrenewable resources that are used for power
- 10. one of the most clean energy sources
Down
- 2. mixture of gases which are rich in hydrocarbons
- 4. tunnels in the mines
- 5. found in the mines
- 6. renewable
- 9. used to fill cars