Across
- 3. The clearing or removal of forests or trees.
- 8. The ability to maintain or support an activity over the long term without depleting resources.
- 9. Decayed organic material used as a plant fertilizer.
- 10. The natural home or environment of an animal, plant, or other organisms.
Down
- 1. The variety of plant and animal life in a particular habitat.
- 2. The protection and preservation of natural resources.
- 4. A community of living organisms and their physical environment interacting as a system.
- 5. The presence of harmful substances in the environment.
- 6. The process of converting waste into reusable material.
- 7. The weather conditions in an area over a long period.
