| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| why did the banded iron formations alternate | 0.07 | 0.4 | 138 | 95 | 44 |
| why | 0.92 | 0.6 | 2078 | 44 | 3 |
| did | 0.39 | 1 | 4037 | 99 | 3 |
| the | 1.53 | 0.5 | 8423 | 20 | 3 |
| banded | 1.9 | 0.6 | 1170 | 74 | 6 |
| iron | 1.08 | 0.7 | 2142 | 1 | 4 |
| formations | 0.73 | 0.2 | 125 | 91 | 10 |
| alternate | 0.52 | 0.6 | 1983 | 10 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why did the banded iron formations alternate | 1.16 | 0.7 | 2457 | 86 |
