| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| how many layers of earth's atmosphere | 0.64 | 0.9 | 7297 | 14 | 37 |
| how | 0.35 | 0.8 | 6506 | 94 | 3 |
| many | 1.8 | 0.3 | 5821 | 9 | 4 |
| layers | 0.5 | 0.6 | 335 | 18 | 6 |
| of | 0.14 | 0.6 | 9864 | 5 | 2 |
| earth's | 1.85 | 0.8 | 3972 | 68 | 7 |
| atmosphere | 0.43 | 0.8 | 9916 | 61 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how many layers of earth's atmosphere | 0.14 | 0.6 | 1507 | 32 |
