| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| outlines of the earth's history | 1.41 | 0.4 | 2244 | 68 |
| timeline of the history of the earth | 1.16 | 0.5 | 9124 | 25 |
| timeline of the earth's history | 1.53 | 0.9 | 1449 | 18 |
| outline of the earth | 1.09 | 0.1 | 9587 | 88 |
| history of the earth timeline ppt | 1.85 | 0.6 | 6014 | 37 |
| the timeline of the earth | 1.36 | 0.5 | 1075 | 25 |
| earth history timeline pdf | 1.17 | 0.7 | 3332 | 60 |
| course outline + earth history | 1.38 | 1 | 1851 | 15 |
| a brief history of the earth | 0.74 | 0.1 | 6688 | 31 |
| earth history timeline chart | 1.66 | 0.8 | 88 | 26 |
| outline of world history | 0.16 | 0.4 | 8317 | 14 |
| beginning of earth timeline | 1.43 | 0.7 | 2276 | 15 |
| a brief history of earth pdf | 1 | 0.3 | 2991 | 60 |
| timeline of earth and life | 1.12 | 0.7 | 7133 | 27 |
| geographic timeline of earth | 0.03 | 0.2 | 2190 | 90 |
| outline of earth image | 1.44 | 0.1 | 7106 | 62 |
