Energy resource
Across
- 5. will run out
- 8. small
- 10. protection
- 11. ammonite
Down
- 1. energy generated or produced by living hydroelectric generate
- 2. atomic
- 3. blows the tree
- 4. out of this world
- 6. use again and again
- 7. earth heat
- 9. again and again
- 11. gas