| irrespective of o2 availability | 2 | other |
| from water | 2 | other |
| nitrate → be → consumed | 11 |
| nitrate → be → ingested | 7 |
| nitrate → be → swallowed | 3 |
| negative | neutral | positive |
| 0.398 | 0.551 | 0.051 |
| Raw frequency | 21 |
| Normalized frequency | 0.510 |
| Modifier score | 0.850 |
| Perplexity | 83.011 |