| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| concentration gradient affect diffusion rate | 1.9 | 0.2 | 2737 | 97 | 44 |
| concentration | 1.52 | 0.4 | 4410 | 70 | 13 |
| gradient | 0.94 | 0.7 | 9448 | 60 | 8 |
| affect | 1.04 | 0.7 | 6980 | 26 | 6 |
| diffusion | 1.22 | 0.3 | 3106 | 6 | 9 |
| rate | 0.29 | 0.5 | 7530 | 97 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| concentration gradient affect diffusion rate | 0.25 | 0.2 | 3024 | 95 |
