| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ozone layer depletion pdf | 1.51 | 0.7 | 8171 | 39 | 25 |
| ozone | 0.39 | 0.2 | 7943 | 38 | 5 |
| layer | 0.87 | 0.2 | 5614 | 50 | 5 |
| depletion | 0.09 | 0.3 | 2977 | 63 | 9 |
| 0.34 | 0.1 | 9467 | 78 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ozone layer depletion pdf | 1.96 | 0.3 | 31 | 32 |
