Across
- 4. conventional resource
- 7. they contain dissolved methane
- 9. this ends up producing the energy
- 10. what humans use under ground for geothermal energy
- 11. hot lava
- 12. the end product
- 13. spins magnets and drives the generator
Down
- 1. an open area
- 2. not unefficient
- 3. ecological...
- 5. if its not nonrenewable then its...
- 6. is not cheap
- 8. Country we talk about