| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| rural areas will become urban | 0.16 | 0.1 | 5400 | 72 |
| ancient sumer rural areas become urban | 0.22 | 0.1 | 4235 | 4 |
| ancient rural areas become urban | 0.32 | 0.4 | 3205 | 6 |
| rural areas and urban areas | 0.05 | 0.5 | 2333 | 44 |
| urban and rural areas | 1.05 | 0.7 | 2324 | 10 |
| urban areas vs rural areas | 1.17 | 0.4 | 3525 | 30 |
| urban areas vs rural | 0.79 | 0.4 | 5704 | 5 |
| the difference between rural and urban areas | 1.22 | 0.3 | 2802 | 24 |
| differentiate between rural and urban areas | 1.53 | 0.2 | 8471 | 99 |
| compare urban and rural areas | 0.36 | 0.5 | 4888 | 9 |
| urban were the centers of sumerian society | 0.94 | 0.1 | 1760 | 62 |
| ancient city of sumer | 0.02 | 0.3 | 7767 | 25 |
| ancient city of ur sumer | 1.31 | 0.2 | 6378 | 34 |
| geography of ancient sumer | 0.39 | 0.7 | 2604 | 7 |
| city-states of ancient sumer | 1.86 | 0.7 | 2925 | 6 |
| how were the cities of sumer governed | 1.65 | 0.8 | 1010 | 84 |
| development of farming in sumer | 0.82 | 0.9 | 2217 | 18 |
