| Answer | Crossword Clue |
|---|---|
| PADDLE | Sine qua non when up the creek |
| AIR | The world's sine qua non |
| PETROLEUM | Sine qua non for the wheels of industry. |
| Answer | Crossword Clue |
|---|---|
| PADDLE | Sine qua non when up the creek |
| AIR | The world's sine qua non |
| PETROLEUM | Sine qua non for the wheels of industry. |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.