Across
- 3. relating to internal heat on earth
- 4. cannot be replaced quickly
- 5. use again or more than once
- 6. Atomic Weapons
- 8. can be Replaced Quickly
- 12. generation of electricity
- 14. coldness outside
- 15. NonRenewable
Down
- 1. Relating to the sun
- 2. prevention of wasteful
- 7. convert waste into useable materials
- 9. environment of a substance or thing that
- 10. Degree or size
- 11. Enthanol
- 13. harmful or poisonous effects.