| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| helium's future up in the air reading answers | 0.8 | 0.8 | 582 | 10 |
| helium's future up in the air | 0.42 | 0.2 | 7580 | 29 |
| what happens to helium in the atmosphere | 1.36 | 0.7 | 8968 | 58 |
| helium up or down | 1.66 | 0.2 | 7835 | 96 |
| why does helium rise | 0.73 | 0.6 | 6150 | 59 |
| helium running out on earth | 0.71 | 0.6 | 3351 | 60 |
| what is a helium flash quizlet | 1.24 | 0.9 | 6871 | 71 |
| helium is collected over water at 25 | 0.38 | 0.1 | 6140 | 41 |
| helium balloons rise on earth because quizizz | 1.13 | 0.9 | 2005 | 5 |
| helium's future up in the air ielts | 0.28 | 0.3 | 4725 | 20 |
| reading ielts helium's future up in the air | 1.24 | 0.3 | 2509 | 47 |
| when will helium run out | 0.66 | 0.5 | 6578 | 23 |
| when will we run out of helium | 1.39 | 0.5 | 2343 | 1 |
| what year will helium run out | 1.44 | 0.7 | 296 | 2 |
| what happened to helium | 1.57 | 0.3 | 8941 | 15 |
| helium gone by 2030 | 0.47 | 0.5 | 2811 | 76 |
| helium 1 global news | 0.46 | 0.4 | 1876 | 50 |
| helium one latest news | 0.46 | 0.6 | 8117 | 27 |
| helium one news today | 0.44 | 0.1 | 8597 | 99 |
| is helium running out | 0.5 | 0.5 | 1569 | 78 |
