Across
- 2. to use something again after processing
- 4. the act of complete removal of a species
- 6. syn toxicant
- 8. removal of trees
- 9. syn. vanish
- 10. to expel gases and odors
Down
- 1. chemical substance to make plants grow better
- 3. a new or reserve supply that can be drawn upon when needed
- 5. syn. pollute
- 7. air pollution by a mixture of fog and smoke