| depend on the medium | 0.45 |
| remain constant | 0.40 |
| depend on the depth of … | 0.40 |
| shorten the day | 0.34 |
| average to 600miles per… | 0.34 |
| exceed 800 kilometres p… | 0.25 |
| measured | 0.77 |
| reduced | 0.43 |
| changed | 0.40 |
| independent of the moti… | 0.29 |
| affected | 0.25 |
| controlled | 0.25 |