| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| chemical composition of mars atmosphere | 0.36 | 1 | 8071 | 7 | 39 |
| chemical | 1.02 | 0.1 | 2070 | 37 | 8 |
| composition | 1.52 | 1 | 9724 | 35 | 11 |
| of | 1.44 | 0.5 | 487 | 30 | 2 |
| mars | 1.51 | 0.6 | 660 | 41 | 4 |
| atmosphere | 1.96 | 0.1 | 1857 | 10 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| chemical composition of mars atmosphere | 1.82 | 0.1 | 4397 | 91 |
