| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| respiration questions a level biology | 0.74 | 0.9 | 606 | 3 | 37 |
| respiration | 1.87 | 0.1 | 7900 | 94 | 11 |
| questions | 0.32 | 0.6 | 5063 | 2 | 9 |
| a | 0.86 | 0.7 | 8472 | 66 | 1 |
| level | 0.72 | 0.3 | 3735 | 90 | 5 |
| biology | 0.4 | 0.7 | 451 | 24 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| respiration questions a level biology | 0.98 | 0.7 | 8668 | 95 |
