Across
- 2. to convert discarded material into usable material
- 7. able to be maintained without causing irreparable damage
- 10. a substance that enriches and provides nutrients to plants
- 11. earth’s protective shield from the sun
- 13. the destruction of forests by humans
- 14. the series of changes in the life of an organism (2 words)
Down
- 1. a biological community of interacting organisms and their environment
- 3. to share a ride to reduce carbon emissions
- 4. unwanted material or matter
- 5. a gas with an unmistakable stench (think cows)
- 6. an area inhabited by a community or species
- 8. the general weather conditions commonly found in a specific place
- 9. organic material put into green bins
- 10. a large amount of water covering usually dry land
- 12. to cut down on usage of something