| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| concentration gradient in diffusion | 1.41 | 0.9 | 8358 | 26 | 35 |
| concentration | 0.98 | 0.1 | 6392 | 77 | 13 |
| gradient | 0.08 | 0.8 | 4396 | 85 | 8 |
| in | 1.74 | 0.1 | 8750 | 64 | 2 |
| diffusion | 0.63 | 0.2 | 5817 | 38 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| concentration gradient in diffusion | 0.32 | 0.2 | 784 | 3 |
