Across
- 3. water that fills the cracks and spaces in underground soil
- 6. Degradation of land
- 7. refund personal purchases promoting positive enviromental solutions
- 10. Steps taken to control pests
- 11. the science or practice of farming
- 12. pollution coming from many sources
Down
- 1. A relationship between two organisms in which one organism benefits and the other is unaffected
- 2. The process of burning waste materials to reduce volume and mass
- 4. A group of ecosystems with similar climates and organisms
- 5. a process that allows the organic material in solid waste to be decomposed into soil
- 8. The introduction of dangerous chemicals
- 9. A group of individuals that belong to the same species and live in the same area