| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pollutants definition chemistry | 1.81 | 0.8 | 1476 | 98 | 31 |
| pollutants | 0.91 | 1 | 8859 | 39 | 10 |
| definition | 0.86 | 0.9 | 8759 | 6 | 10 |
| chemistry | 1.96 | 0.2 | 3681 | 27 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pollutants definition chemistry | 1.96 | 0.4 | 9138 | 40 |
