| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why can't life exist on mars | 1.25 | 0.6 | 561 | 75 |
| could life exist on mars | 1.89 | 0.4 | 2745 | 4 |
| why can't mars sustain life | 1.52 | 0.7 | 3644 | 80 |
| why can't mars support life | 0.7 | 0.1 | 2369 | 55 |
| why can't people live on mars | 0.34 | 0.1 | 1715 | 97 |
| why humans can't live on mars | 0.06 | 1 | 5802 | 58 |
| why should we not live on mars | 0.29 | 0.7 | 1922 | 35 |
| could there have been life on mars | 1.38 | 0.8 | 4185 | 43 |
| could life have existed on mars | 0.39 | 0.4 | 9668 | 19 |
| why is mars not suitable for life | 0.98 | 1 | 9230 | 31 |
| could there be life on mars explain | 0.45 | 0.4 | 7688 | 53 |
| could life exist on mercury | 1.56 | 0.7 | 2157 | 94 |
| why life on mars is not possible | 1.46 | 0.5 | 7078 | 91 |
| why we can't live on mars | 0.77 | 1 | 3249 | 51 |
| could mars sustain life | 1.36 | 0.6 | 2952 | 70 |
| why does mars not have life | 0.35 | 0.3 | 1605 | 97 |
| can life sustain on mars | 1.66 | 0.5 | 8493 | 4 |
| why can't humans survive on mars | 1.71 | 0.6 | 5531 | 55 |
| can mars sustain human life | 1.94 | 0.7 | 7182 | 83 |
