| Answer | Crossword Clue |
|---|---|
| nitrobacterium | a bacterium that convert ammonium compounds into nitrites, and esp those that convert nitrites into nitrates |
| Answer | Crossword Clue |
|---|---|
| nitrobacterium | a bacterium that convert ammonium compounds into nitrites, and esp those that convert nitrites into nitrates |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.