| Answer | Crossword Clue |
|---|---|
| SCAR | Fuel song that leaves a mark? |
| SCAR | Missy Higgins song that leaves a mark? |
| SCAR | Carly Simon song that leaves a permanent mark? |
| IMMOBILE | Alessandra Amoroso song that leaves you motionless? |
| OXIDIZER | Substance that helps a spaceship's fuel burn |
| ETHANOL | Fuel that yields a net energy loss |
