| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what gases make up the atmosphere of mercury | 0.46 | 0.4 | 7456 | 58 | 44 |
| what | 0.99 | 0.9 | 1088 | 28 | 4 |
| gases | 1.42 | 0.6 | 1081 | 38 | 5 |
| make | 0.11 | 0.7 | 9623 | 24 | 4 |
| up | 1.02 | 0.6 | 4040 | 24 | 2 |
| the | 1.47 | 0.5 | 8417 | 38 | 3 |
| atmosphere | 1.23 | 0.8 | 520 | 2 | 10 |
| of | 0.14 | 1 | 9270 | 94 | 2 |
| mercury | 0.71 | 1 | 5572 | 76 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what gases make up the atmosphere of mercury | 1.37 | 0.4 | 6464 | 67 |
