Across
- 6. replenish themselves
- 9. pollutes the air
- 11. worthless material in ore
- 13. Cannot be replaced
- 14. safe for drinking
- 15. naturally occurring solid metal and gems can be made from
Down
- 1. condition affecting office workers
- 2. total feelings
- 3. process of removing salt from seawater
- 4. solid rock under loose soil
- 5. minerals, forests, water, or fertile land
- 7. a rock or boulder brought from glacial action
- 8. material or structure formed from loosely compacted fragments or particles
- 10. fertile land becomes desert
- 12. pollutes something