| Answer | Crossword Clue |
|---|---|
| bathybius | a substance on the sea bottom formerly thought to be living matter |
| Answer | Crossword Clue |
|---|---|
| bathybius | a substance on the sea bottom formerly thought to be living matter |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.