Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
when was the columbian exchange | 0.06 | 0.8 | 6346 | 55 |
when was the columbian exchange started | 0.59 | 0.1 | 2588 | 40 |
when was the columbian exchange end | 1.44 | 0.5 | 523 | 11 |
when was the columbian exchange created | 0.15 | 0.8 | 4210 | 4 |
when was the columbian exchange date | 0.69 | 0.2 | 5042 | 60 |
what was the columbian exchange | 0.16 | 0.7 | 7086 | 14 |
the columbian exchange | 0.13 | 0.1 | 7559 | 56 |
columbian exchange definition | 1.23 | 0.9 | 8126 | 47 |
what is the columbian exchange | 1.85 | 0.9 | 1481 | 10 |
columbian exchange map | 1.25 | 0.2 | 584 | 97 |
when did the columbian exchange start | 1.05 | 0.9 | 4748 | 36 |
define columbian exchange | 1.53 | 0.5 | 2861 | 66 |