| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ozone layer chemical composition | 1.93 | 0.8 | 2949 | 57 | 32 |
| ozone | 1.62 | 0.9 | 5895 | 50 | 5 |
| layer | 0.63 | 0.6 | 3271 | 58 | 5 |
| chemical | 1.11 | 0.7 | 8026 | 44 | 8 |
| composition | 1.1 | 0.4 | 5957 | 36 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ozone layer chemical composition | 1.45 | 0.2 | 6790 | 4 |
