| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how does material in soil move | 1.8 | 0.7 | 7329 | 80 |
| how does water move through soil | 0.43 | 0.5 | 2263 | 12 |
| how does soil form | 0.96 | 0.7 | 8120 | 54 |
| how does organic material enter soil | 1.2 | 0.9 | 2211 | 51 |
| how does soil work | 0.15 | 0.3 | 5161 | 14 |
| how does soil transfer to rocks | 1.3 | 0.9 | 966 | 25 |
| how does soil develop | 1.89 | 0.2 | 1183 | 51 |
| how does parent material become soil | 0.24 | 0.1 | 5427 | 9 |
| how does soil change | 0.16 | 0.9 | 3698 | 17 |
| how do materials move through plants | 1.78 | 0.3 | 7601 | 98 |
| how does it enter the soil | 1.98 | 0.6 | 2314 | 99 |
| how are soils transported | 1.78 | 0.8 | 4100 | 19 |
| how does soil turn into sediments | 1.03 | 0.3 | 7767 | 37 |
| how does soil begin to form | 1.89 | 1 | 7563 | 45 |
| what process creates soil | 1.31 | 0.6 | 8327 | 61 |
| how is soil produced | 1.86 | 0.3 | 697 | 44 |
| how is the soil formed | 0.59 | 0.3 | 5220 | 59 |
| which process produces soil | 0.53 | 0.7 | 8459 | 88 |
| processes related to soil | 1.36 | 1 | 165 | 25 |
