| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how old is planet earth | 1.71 | 0.8 | 1451 | 69 |
| how old is planet earth in years | 1.19 | 0.4 | 3016 | 99 |
| how old is planet earth approximately | 0.69 | 0.3 | 4301 | 51 |
| how old is planet earth estimated to be | 1.85 | 0.8 | 4853 | 92 |
| how old is planet earth nasa | 0.1 | 0.6 | 7776 | 9 |
| how old is our planet earth | 1.2 | 0.5 | 4862 | 80 |
| how old is earth planet in the bible | 0.22 | 0.4 | 4988 | 24 |
| how old is earth planet today | 1.63 | 0.8 | 57 | 28 |
| how old is our planet earth quizlet | 0.85 | 0.2 | 3120 | 65 |
| how many years old is the planet earth | 0.97 | 0.6 | 5410 | 64 |
| the planet earth is 4 600 million years old | 0.02 | 0.6 | 7915 | 33 |
| our planet earth is about how many years old | 0.92 | 0.5 | 5694 | 55 |
| how old is earth in years | 1.04 | 0.4 | 4939 | 36 |
| age of planet earth | 1.68 | 0.8 | 7418 | 31 |
