| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what is the composition of air on earth | 0.38 | 0.3 | 2620 | 66 | 39 |
| what | 0.74 | 0.2 | 1868 | 8 | 4 |
| is | 1.58 | 0.6 | 4713 | 52 | 2 |
| the | 1.49 | 0.8 | 2688 | 40 | 3 |
| composition | 1.6 | 0.4 | 7624 | 67 | 11 |
| of | 1.69 | 0.9 | 547 | 15 | 2 |
| air | 1.23 | 0.9 | 9803 | 74 | 3 |
| on | 0.48 | 0.7 | 4404 | 48 | 2 |
| earth | 1.47 | 0.4 | 5630 | 75 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is the composition of air on earth | 1.59 | 0.2 | 459 | 33 |
| earth air composition | 1.48 | 0.8 | 3940 | 27 |
| earth's air composition | 1.55 | 0.2 | 9122 | 32 |
| air composition at 0.75 earth sea level | 1.9 | 0.1 | 1673 | 77 |
| composition of air near surface of earth | 0.9 | 0.4 | 2636 | 64 |
| what is the composition of earth air | 0.8 | 0.1 | 3402 | 32 |
