| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what keeps air on earth | 1.91 | 0.8 | 2715 | 50 |
| what surrounds the earth to keep air on earth | 1.09 | 0.9 | 3076 | 26 |
| what keeps the atmosphere around planet earth | 0.04 | 0.1 | 7654 | 86 |
| what keeps atmosphere around earth | 0.26 | 0.7 | 3036 | 76 |
| what keeps the atmosphere around our planet | 0.18 | 0.1 | 6967 | 96 |
| what keeps the atmosphere held to earth | 1.83 | 0.9 | 1099 | 41 |
| how does air stay on earth | 0.67 | 0.3 | 3705 | 67 |
| what keeps earth's atmosphere in place | 1.37 | 0.3 | 7098 | 3 |
| what keeps air from escaping into space | 1.98 | 0.7 | 1950 | 80 |
| what keeps the plane in the air | 0.89 | 0.9 | 6377 | 60 |
| what keeps the atmosphere in place | 0.28 | 0.7 | 1722 | 58 |
| what keeps oxygen on earth | 1.15 | 0.3 | 1449 | 32 |
| what keeps the earth warm | 1.07 | 1 | 3541 | 9 |
| what keeps the earth in its orbit | 0.07 | 0.1 | 7990 | 79 |
| what keeps our atmosphere from escaping | 0.57 | 0.3 | 9436 | 46 |
| what keeps an airplane in the air | 0.67 | 0.9 | 5180 | 86 |
| how does air keep us alive | 1.31 | 0.5 | 5049 | 5 |
| what keeps the earth in place | 0.28 | 0.1 | 5419 | 78 |
| what protects the earth's atmosphere | 1.31 | 0.1 | 4352 | 88 |
| what protects the atmosphere | 1.44 | 0.7 | 6971 | 20 |
| how to conserve air | 1.88 | 0.9 | 7273 | 28 |
