| Answer | Crossword Clue |
|---|---|
| ETHANES | Natural-gas components |
| ETHANES | Natural gas components |
| hydrocarbon | A compound of hydrogen and carbon, such as any of those that are the chief components of petroleum and natural gas |
| hydrocarbons | A compound of hydrogen and carbon, such as any of those that are the chief components of petroleum and natural gas |
| SHELLS | Natural necklace components |
| galenical | (of a medicine) Made of natural rather than synthetic components |
