| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| composition of earth's early atmosphere | 1.08 | 0.7 | 6538 | 6 | 39 |
| composition | 0.69 | 0.3 | 6853 | 1 | 11 |
| of | 1.12 | 0.3 | 4427 | 29 | 2 |
| earth's | 1.78 | 0.7 | 6187 | 8 | 7 |
| early | 0.1 | 0.9 | 3567 | 43 | 5 |
| atmosphere | 1.55 | 0.5 | 6703 | 59 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| composition of earth's early atmosphere | 0.65 | 0.4 | 7750 | 72 |
