Energy Resources
Across
- 4. Tunnels made underground while mining
- 5. Dangers are not understood
- 7. Relatively cheap
- 9. Very small amount of resources used for a lot of energy
- 10. A natural occurring solid material
Down
- 1. The hazard of mining coal that affects the lungs
- 2. Dangerous to mine
- 3. Can cause environmental disasters
- 6. A resource that cannot be replaced and reused again
- 8. Working without direct control