Across
- 3. what fall off trees in fall
- 4. The outside world
- 6. what the sun produces
- 7. we need this to survive and can only go three days without it
- 9. a lot of plants and animals live
- 10. people who murder the trees
Down
- 1. Objects you eat
- 2. you live
- 5. day: the day we celebrate our home planet
- 8. provide oxygen