| A | B |
|---|
| glacial features | climate clue for continental drift theory |
| volcano | occurs at both divergent and convergent boundaries |
| transform boundary | two plates sliding past each other |
| constructive | force which builds up mountains and landmasses |
| convection currents | heat transfer within a liquid |
| sea floor spreading theory | magma rises/erupts at mid-ocean ridge |
| core | earth's magnetic field originates here |
| lithospheric sections | tectonic plates |
| divergent | separating boundary |
| convection cells | cause of ocean trenches and ridges |
| iron and nickel | core composition |
