Across
- 5. to reduce the amount of resource that is available
- 6. easy to store
- 7. The amount of energy in a particular mass of fuel or that can be harnessed by a particular mass of equipment
- 8. Extremely high energy density
- 11. A resource that is renewed so slowly that the amount available for use is effectively
- 13. very reliable
Down
- 1. An energy source where its availability can be predicted
- 2. is the resource coming from a unstable source
- 3. as technology of a resource improves it gets ____________
- 4. if an energy resource is not available all the time
- 9. intermitten resource
- 10. low energy density
- 12. the issue of the appearance