Across
- 4. protection of resources for future use
- 5. non-renewable energy source
- 6. a mineral used to make aluminum
- 7. harmful gas emitted from the burning of fossils
- 10. the most widely used in the Caribbean
- 11. used to satisfy the needs of man
- 12. can be restored or replenished
- 14. energy from the earths' core
- 17. the living space for human society
- 18. found in Guyana
- 20. general conditions temperature
Down
- 1. energy from the sun
- 2. resources that are derived from nature
- 3. exhaustible
- 8. water powered
- 9. the capacity to do work
- 13. use of resources to improve the standard of living
- 15. energy produced from animal and plant waste
- 16. release of substance that causes harm to the environment
- 19. used up or finished