| Answer | Crossword Clue |
|---|---|
| KRYPTONISOTOPE | The length of a meter is based precisely on the amount of light emitted from this |
| Answer | Crossword Clue |
|---|---|
| KRYPTONISOTOPE | The length of a meter is based precisely on the amount of light emitted from this |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.