| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ozone depletion mechanism | 1.01 | 0.2 | 6239 | 62 | 25 |
| ozone | 0.54 | 0.5 | 2917 | 63 | 5 |
| depletion | 1.03 | 0.1 | 7184 | 80 | 9 |
| mechanism | 1.78 | 0.2 | 4954 | 6 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ozone depletion mechanism | 0.79 | 0.4 | 5116 | 20 |
| mechanism of ozone layer depletion | 1.2 | 0.6 | 8696 | 78 |
| diagram of ozone layer depletion | 0.43 | 0.2 | 259 | 10 |
| causes of ozone layer depletion pdf | 1.06 | 0.6 | 8848 | 21 |
| depletion of the ozone layer | 0.29 | 0.1 | 2721 | 90 |
| effect of ozone layer depletion | 0.09 | 0.6 | 1860 | 15 |
| ozone layer formation and depletion | 0.83 | 0.1 | 3375 | 81 |
| ozone layer depletion explanation | 1.5 | 0.4 | 2085 | 73 |
| explain ozone layer depletion | 1.28 | 0.3 | 9782 | 24 |
| ozone layer depletion introduction | 0.17 | 0.6 | 49 | 28 |
