Across
- 1. the calculation of what natural
- 3. useful or valuable
- 4. a way that does not use them up or destroy them for
- 9. a resource that can regrow or reproduce as long as it is not overused
- 10. such as oil from oil reserves
- 11. are needed to support someone’s daily living
- 13. describes an approach to using resources
Down
- 2. a resource that is limited and cannot be replaced if it is used up.
- 5. something found in nature that people
- 6. a resource that must be used up when and
- 7. to remove natural resources from the natural
- 8. it is found or it is lost
- 12. Earth
- 14. long time