| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| explain the concentration gradient | 1.3 | 0.9 | 8229 | 61 | 34 |
| explain | 0.01 | 0.4 | 9959 | 27 | 7 |
| the | 1.58 | 0.6 | 9759 | 21 | 3 |
| concentration | 0.32 | 0.8 | 8781 | 86 | 13 |
| gradient | 1.43 | 0.7 | 4852 | 18 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| explain the concentration gradient | 1.47 | 0.5 | 7331 | 100 |
