| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is the ozone layer | 0.35 | 0.3 | 2363 | 8 |
| what is the ozone layer made of | 0.5 | 0.2 | 6903 | 54 |
| what is the ozone layer composed of | 1.48 | 0.3 | 1279 | 61 |
| what is the ozone layer for kids | 1.62 | 0.6 | 7990 | 7 |
| what is the ozone layer depletion | 0.46 | 0.1 | 2872 | 60 |
| what is the ozone layer why is it important | 1.53 | 0.1 | 6569 | 21 |
| what is the ozone layer called | 1.39 | 0.1 | 4110 | 12 |
| what is the ozone layer and cfc's | 1.5 | 0.5 | 4972 | 9 |
| what is the ozone layer hole | 0.35 | 0.5 | 6728 | 37 |
| what is the ozone layer and how is it formed | 0.48 | 0.3 | 2337 | 64 |
| ozone layer meaning | 1.99 | 0.4 | 1193 | 93 |
| is the ozone layer healing | 1.35 | 0.6 | 7735 | 99 |
| hole in the ozone layer | 1.43 | 0.5 | 9274 | 8 |
| depletion of ozone layer | 1.19 | 0.8 | 6340 | 95 |
| how does the ozone layer affect life on earth | 0.67 | 1 | 1975 | 92 |
| ozone layer definition | 1.65 | 0.3 | 2618 | 34 |
| ozone layer | 0.35 | 0.6 | 3155 | 91 |
| ozone layer recovery | 2 | 0.1 | 3797 | 80 |
| ozone layer height | 1.49 | 0.5 | 1139 | 43 |
| ozone layer map | 1.43 | 0.4 | 8731 | 98 |
| ozone layer 2023 | 1.11 | 0.8 | 7374 | 43 |
| ozone layer images | 1.16 | 0.3 | 6400 | 57 |
| ozone layer is present in | 0.19 | 1 | 6431 | 32 |
| ozone layer drawing | 1.24 | 0.6 | 8480 | 1 |
| ozone layer depletion ppt | 1.25 | 0.5 | 544 | 53 |
