Across
- 3. Trash thrown on the ground
- 4. wise use of material
- 7. capable of being supported
- 9. place where something lives
- 10. comprised only those existing in or derived from plants or animals
- 11. keep safe from harm
- 12. ejected or discharged
- 15. it can be reused
- 18. to process goods or material in this way
- 19. Harmfull chemical waste
Down
- 1. species died out
- 2. to protect waste
- 4. varrious organisms that are decaying
- 5. Community of living organisms
- 6. social and culture that shapes your life
- 8. Vapor in the sky
- 13. a form of oxygen
- 14. reflection of the sun
- 16. dealing with relations and interactions
- 17. a low area of land caving in on its self