| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| respiration in the presence of oxygen | 0.45 | 0.5 | 2314 | 9 | 37 |
| respiration | 0.13 | 0.2 | 6233 | 91 | 11 |
| in | 0.15 | 0.3 | 2851 | 80 | 2 |
| the | 1.99 | 0.7 | 3346 | 33 | 3 |
| presence | 0.67 | 0.8 | 9216 | 68 | 8 |
| of | 1.19 | 0.4 | 369 | 20 | 2 |
| oxygen | 0.17 | 0.3 | 8460 | 9 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| respiration in the presence of oxygen | 0.14 | 0.4 | 1038 | 60 |
