| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| layers of the atmosphere definition | 0.75 | 0.2 | 2486 | 86 | 35 |
| layers | 1 | 0.3 | 8685 | 47 | 6 |
| of | 0.75 | 0.5 | 8770 | 2 | 2 |
| the | 0.16 | 0.6 | 1598 | 55 | 3 |
| atmosphere | 2 | 0.1 | 9318 | 19 | 10 |
| definition | 1.67 | 0.6 | 1128 | 22 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| layers of the atmosphere definition | 1.26 | 0.5 | 3888 | 68 |
