| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| atmosphere of mars main constituents | 0.97 | 0.5 | 459 | 46 | 36 |
| atmosphere | 1.07 | 1 | 7441 | 48 | 10 |
| of | 0.76 | 0.4 | 4471 | 63 | 2 |
| mars | 1.44 | 0.4 | 673 | 55 | 4 |
| main | 0.17 | 0.9 | 3670 | 14 | 4 |
| constituents | 0.15 | 0.8 | 3758 | 32 | 12 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| atmosphere of mars main constituents | 0.53 | 0.1 | 4948 | 60 |
