from water | 35 | other |
from natural gas | 29 | other |
from fossil fuels | 28 | other |
hydrogen → be → produced | 513 |
hydrogen → be → created | 54 |
hydrogen → be → made | 38 |
hydrogen → be → formed | 36 |
hydrogen → be produced as → a by | 4 |
hydrogen → be → produce | 3 |
hydrogen → ’s → produced | 3 |
negative | neutral | positive |
0.116 | 0.638 | 0.246 |
Raw frequency | 651 |
Normalized frequency | 1.000 |
Modifier score | 0.753 |
Perplexity | 42.483 |