From Mock B · Paper 1: Physical geography
3.14 marks
Figure 3 shows rates of plate movement at four boundaries (data are illustrative, written for this paper).
Analyse the data shown in Figure 3.
| Boundary | Type | Rate (cm/yr) |
|---|---|---|
| Mid-Atlantic Ridge | constructive | 2.5 |
| East Pacific Rise | constructive | 15 |
| Nazca–South American | destructive | 8 |
| San Andreas | conservative | 3.5 |