Across
- 4. a good organisation
- 7. carefull
- 8. finding a solution
- 11. present without paper around it
- 13. earth/dirt/ground
- 14. a bird's home
Down
- 1. reuse something
- 2. something that can only be used once
- 3. dirty
- 5. somebody who has agreed to work without being paid
- 6. prevent from being harmed or damaged
- 9. something you throw away
- 10. an insect with stripes
- 12. empty