Across
- 2. Branch of biology
- 5. mc squared
- 6. prevention of wasteful use of a resource
- 9. convert waste
- 10. The color of recycling
- 13. Where we live
- 14. they make oxygen
Down
- 1. make smaller in size
- 3. kitchen scraps
- 4. knowledge of
- 6. the weather
- 7. use again
- 8. Mr. _______
- 10. around the world
- 11. April 22nd
- 12. they breathe oxygen