Across
- 3. Reusing something
- 5. Everything that surrounds us
- 7. The most common exhaust fume
- 9. Branch of biology
- 11. trash left on the floor
- 12. Greenhouse gases
- 13. Animals
Down
- 1. app that is used and is about picking up litter
- 2. Made with only pure ingredients
- 4. Liquid, needed to have life on the planet
- 6. planet we are living on
- 8. Humans breathe it daily
- 10. Made without artificial chemicals