Across
- 6. make smaller in size
- 7. give a second life
- 8. show concern or interest
- 9. gas present in the air we breathe
- 10. planet where we live
- 11. materials available in our environment
Down
- 1. home of living things
- 2. large expanse of water
- 3. woody plant with large trunk
- 4. resources that can replenish themselves
- 5. converts waste into useable material
- 8. decayed organic material