Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
the ozone layer is located in what layer | 0.17 | 0.2 | 3162 | 83 |
which layer is the ozone layer located | 1.09 | 0.3 | 2662 | 34 |
layer where ozone layer is located | 1.19 | 0.9 | 4480 | 83 |
what layer is the ozone layer located | 1.33 | 0.6 | 3203 | 33 |
a layer of ozone gas is located in this layer | 0.22 | 1 | 2652 | 5 |