| usually | 11 | degree |
| in large quantities | 8 | other |
| from the reaction | 8 | other |
| gas → be → emitted | 113 |
| gas → be released into → the atmosphere | 98 |
| gas → be released to → the atmosphere | 19 |
| gas → be emitted into → the atmosphere | 14 |
| gas → be emitted to → the atmosphere | 7 |
| gas → be released in → the atmosphere | 5 |
| gas → be emitted in → the atmosphere | 3 |
| negative | neutral | positive |
| 0.376 | 0.552 | 0.072 |
| Raw frequency | 259 |
| Normalized frequency | 0.800 |
| Modifier score | 0.620 |
| Perplexity | 464.158 |