| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| composition of air on earth | 1.04 | 0.4 | 2030 | 38 | 27 |
| composition | 1.41 | 0.2 | 534 | 40 | 11 |
| of | 1.3 | 0.3 | 1588 | 86 | 2 |
| air | 1.73 | 0.9 | 3323 | 61 | 3 |
| on | 1.23 | 0.1 | 8432 | 23 | 2 |
| earth | 1.24 | 1 | 6221 | 14 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| composition of air on earth | 0.75 | 0.7 | 9960 | 6 |
| earth's air composition | 1.33 | 0.4 | 227 | 20 |
| what is the composition of air on earth | 1.06 | 0.4 | 2243 | 86 |
| air composition at 0.75 earth sea level | 1.42 | 1 | 6958 | 67 |
| earth air composition | 1.98 | 0.7 | 589 | 80 |
| composition of air near earth's surface | 1.58 | 0.6 | 7023 | 46 |
