Across
- 2. the weather in some location averaged over a period of time
- 4. contamination of the natural environment
- 8. a mixture of decaying vegetation and manure
- 10. capable of being decomposed
- 11. use again after processing
Down
- 1. the state of being no longer in existence
- 3. a densely wooded tropical area with heavy precipitation
- 5. warming, a rise in the average temperature of the earth's atmosphere
- 6. a forceful consequence; a strong effect
- 7. a colorless gas that is a screen for ultraviolet radiation
- 9. major ecological community with distinct climate and flora