Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
how is the ozone layer harmful to humans | 0.24 | 0.4 | 3733 | 55 |
how is the ozone layer harmful | 0.59 | 0.7 | 5665 | 57 |
harmful effects of ozone layer depletion | 1.79 | 0.9 | 8945 | 34 |
in which layer is harmful ozone located | 0.1 | 1 | 8171 | 50 |
which gas is most harmful to the ozone layer | 0.66 | 0.2 | 7731 | 31 |
why is a depletion of the ozone layer harmful | 0.95 | 0.9 | 5193 | 89 |
what is harmful to the ozone layer | 0.63 | 0.8 | 2522 | 83 |
which ozone layer is harmful | 0.88 | 0.7 | 8704 | 92 |
things harmful to the ozone layer | 1.07 | 0.4 | 5333 | 30 |