| Answer | Crossword Clue |
|---|---|
| flayer | the highest and most densely ionized regular layer of the ionosphere occurring at night within the F region |
| Answer | Crossword Clue |
|---|---|
| flayer | the highest and most densely ionized regular layer of the ionosphere occurring at night within the F region |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.