Across
- 4. A community of living organisms interacting with their environment.
- 6. To convert waste into reusable material.
- 8. Trash or garbage lying scattered about in a public place.
- 9. The part of a plant that blossoms and produces seeds.
- 11. To use something again instead of throwing it away.
- 12. Grown or made without the use of artificial chemicals.
- 15. Damage caused to water, air, or soil by harmful substances.
- 16. The process of gathering mature crops from the garden.
- 17. To protect something important from harm or destruction.
Down
- 1. The part of a plant that grows underground to get water.
- 2. A substance added to soil to make it more productive for plants.
- 3. Organic material used to nourish the soil.
- 5. A small object produced by a plant from which a new plant can grow.
- 7. An area of land devoted to the cultivation of fruit trees or vegetables.
- 10. In a way that can be maintained without harming the environment.
- 12. The gas that plants release into the air for humans to breathe.
- 13. A glass building used for growing plants that need protection from the weather.
- 14. The top layer of earth in which plants grow.