| Answer | Crossword Clue |
|---|---|
| SPEEDOFSOUND | Mach 1 |
| SPEEDOFSOUND | Exceeding it causes a boom |
| Answer | Crossword Clue |
|---|---|
| SPEEDOFSOUND | Mach 1 |
| SPEEDOFSOUND | Exceeding it causes a boom |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.