Southern Alps Key surface features: High mountain ranges (1 st ) V-shaped valleys and jagged ridges (2 nd ) Internal processes: Convection currents move.
Milford Sounds Key surface features: High mountain ranges (1 st ) U-shaped valleys (2 nd ) Internal processes: Convection currents move the plates Both.
Alpine Fault
Southern Alps
AS 90935
Banks Peninsula
Milford Sounds