| Answer | Crossword Clue |
|---|---|
| CHAR | Reduce to carbon |
| GOGREEN | Reduce one's carbon footprint |
| CHARS | Reduces to carbon. |
| CHAR | Convert to carbon |
| NOSIX | Carbon, to a lab worker: Abbr. |
| BORON | Element to the left of carbon |
| NATURALGAS | It's used to make carbon black |
| BORON | Element next to carbon on the periodic table |
| WATER | What carbon dioxide reacts with to form carbonic acid |
