Across
- 3. saving something so it will last longer
- 6. something healthy
- 7. unnecessary trash on the ground
- 8. is the study of the ecosystem
- 10. something that can be used again and again
Down
- 1. a place where all the garbage goes to
- 2. a bin for stuff that can't go in the recycle bin
- 4. no longer alive or a thing
- 5. is a type of environment
- 9. an alternative to throwing something away in the garbage bins