| consist of upper mantle | 0.60 |
| exist as separate and d… | 0.41 |
| float on the asthenosph… | 0.37 |
| react to the atmosphere | 0.35 |
| consist of rock | 0.29 |
| respond as rigid shell | 0.25 |
| interact with hydrosphe… | 0.25 |
| interact with cryosphere | 0.25 |
| broken up into tectonic… | 0.47 |
| divided into 15 major t… | 0.29 |
| composed of basalt | 0.25 |
| composed of sulfur | 0.25 |
| broken up in the case o… | 0.25 |
| broken into separate se… | 0.25 |