| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nox influence on greenhouse effect | 0.49 | 0.2 | 1966 | 66 | 34 |
| nox | 0.07 | 0.1 | 5443 | 25 | 3 |
| influence | 0.9 | 0.2 | 6661 | 55 | 9 |
| on | 1.55 | 0.9 | 7372 | 73 | 2 |
| greenhouse | 1.3 | 0.6 | 9914 | 8 | 10 |
| effect | 0.95 | 0.5 | 3277 | 12 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nox influence on greenhouse effect | 0.88 | 0.9 | 2286 | 46 |
