Across
- 2. Natural layer where plants grow (4 letters)
- 4. Farming without chemicals (7 letters)
- 5. Harmful substances used in farming (10 letters)
- 7. Living things affected by pollution (7 letters)
- 9. Process of cleaning polluted soil (13 letters)
Down
- 1. Tiny living organisms that help soil (6 letters)
- 3. Waste buried in the ground (8 letters)
- 5. Contamination of soil (9 letters)
- 6. Trash material like bottles and bags (7 letters)
- 8. Chemical element harmful in soil (5 letters)