Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
diseases brought by columbian exchange | 0.59 | 0.5 | 2669 | 72 |
did the columbian exchange spread diseases | 0.21 | 0.8 | 1872 | 10 |
disease and the columbian exchange | 0.02 | 0.9 | 5007 | 72 |
diseases spread during the columbian exchange | 0.86 | 0.1 | 4460 | 1 |