Across
- 2. The state of being no longer in existence
- 4. The process of collecting and changing old paper, glass, plastic, etc. so that it can be used again
- 6. A long period when there is little or no rain
- 7. An organic poison — it’s made by plants and
- 9. The process of a liquid changing to a gas
Down
- 1. Variety of species of living organisms of an ecosystem
- 3. A substance added to soil to improve plants' growth and yield
- 5. Any materials unused and rejected as worthless or unwanted
- 8. The act of making a strong public expression of disagreement and disapproval
- 10. To use again instead of throwing away