| by scanning electron microscopy | 2 | manner |
| unlike the invisible greenhouse gases | 2 | other |
| during early winter | 2 | temporal |
| aerosol → be → visible | 5 |
| aerosol → be → reported | 5 |
| aerosol → be → observed | 3 |
| negative | neutral | positive |
| 0.147 | 0.765 | 0.088 |
| Raw frequency | 13 |
| Normalized frequency | 0.434 |
| Modifier score | 0.000 |
| Perplexity | 163.067 |