| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free marine biology courses | 1.64 | 0.6 | 8516 | 69 | 27 |
| free | 1.34 | 1 | 7134 | 58 | 4 |
| marine | 1.68 | 0.3 | 1224 | 31 | 6 |
| biology | 0.89 | 0.4 | 5708 | 14 | 7 |
| courses | 1.08 | 0.9 | 6602 | 21 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free marine biology courses | 1.91 | 1 | 9811 | 14 |
