Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
the ozone layer is present in | 0.75 | 0.2 | 9213 | 51 |
the ozone layer is present in which layer | 0.29 | 0.4 | 3358 | 81 |
ozone is present in which layer | 0.63 | 0.9 | 5257 | 40 |
ozone layer is present in which sphere | 0.79 | 0.4 | 6959 | 79 |
ozone layer is present in stratosphere | 0.93 | 0.3 | 9011 | 1 |
ozone is present in which layer of atmosphere | 1.04 | 0.1 | 4551 | 61 |
ozone layer presentation | 1.53 | 0.5 | 8778 | 56 |