| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| which ancient civilization invented astronomy | 0.24 | 1 | 3923 | 3 | 45 |
| which | 1.52 | 1 | 7240 | 71 | 5 |
| ancient | 0.59 | 0.9 | 1546 | 28 | 7 |
| civilization | 1.26 | 0.4 | 3132 | 88 | 12 |
| invented | 0.78 | 0.9 | 1647 | 70 | 8 |
| astronomy | 1.33 | 0.3 | 2253 | 81 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| which ancient civilization invented astronomy | 0.07 | 0.8 | 6730 | 67 |
