| Answer | Crossword Clue |
|---|---|
| CAMPHOR | Useful substance from a tree. |
| COLA | Tree yielding a useful nut. |
| LAC | Substance from a scale insect. |
| KEEPOFFTHEGRASS | Demand from a substance abuse counselor? |
| AEROSOL | Substance dispensed from a pressurized can |
| LICORICE | Sweet substance from root of a plant. |
