| Answer | Crossword Clue |
|---|---|
| MARSHGAS | Ignis fatuus source |
| MARSHGAS | Methane from a swamp |
| Answer | Crossword Clue |
|---|---|
| MARSHGAS | Ignis fatuus source |
| MARSHGAS | Methane from a swamp |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.