| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how do wetlands filter pollution | 0.95 | 0.9 | 2859 | 49 |
| can wetlands filter pollution | 0.71 | 1 | 9919 | 30 |
| wetlands filter pollutants | 1.04 | 0.8 | 2445 | 27 |
| how do wetlands filter water | 0.9 | 0.8 | 1574 | 52 |
| how wetlands clean polluted water | 0.45 | 0.5 | 5378 | 47 |
| causes of wetland pollution | 0.3 | 0.6 | 8481 | 79 |
| how effective are wetlands at filtration | 0.02 | 0.9 | 543 | 32 |
| do coastal wetlands filter water | 1.31 | 0.6 | 1795 | 59 |
| constructed wetlands in pollution control | 1.5 | 0.5 | 2366 | 14 |
| how does wetlands purify water | 0.18 | 0.6 | 3012 | 58 |
| how do wetlands work | 0.95 | 0.3 | 3165 | 10 |
| wetland pollution control define | 1.2 | 0.1 | 389 | 100 |
| how do wetlands clean water | 1.63 | 1 | 9097 | 61 |
| are pollutants a major threat to wetlands | 0.96 | 0.6 | 3614 | 19 |
| how to remove wetlands | 1.83 | 1 | 6706 | 79 |
| using wetlands for wastewater treatment | 0.99 | 0.7 | 1370 | 42 |
| ways humans impact wetlands | 0.4 | 0.7 | 9185 | 41 |
| why are wetlands drained | 0.49 | 0.6 | 5127 | 17 |
| how to beat polluted wastelands | 0.3 | 0.9 | 7561 | 76 |
