| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what is biochemical oxygen demand | 1.39 | 0.5 | 2806 | 23 | 33 |
| what | 0.49 | 0.8 | 4753 | 9 | 4 |
| is | 0.24 | 0.1 | 7356 | 59 | 2 |
| biochemical | 0.27 | 0.6 | 1050 | 31 | 11 |
| oxygen | 0.78 | 0.6 | 8300 | 13 | 6 |
| demand | 0.2 | 0.9 | 637 | 8 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is biochemical oxygen demand | 0.46 | 0.9 | 8268 | 53 |
