Joints in the landscape:

A) mostly form at depth and are uplifted to the surface
B) can detach thin slices of rock parallel to the land surface
C) cause highly jointed areas to be less resistant to weathering than more jointed ones
D) all of these

Joints

Natural fractures or separations in rocks without noticeable movement parallel to the surface of the fracture.

Uplifted

Raised or elevated geological formations, often due to tectonic movements.

Parallel

Lines or planes that are equally distant from each other at all points, never meeting or intersecting.