Answer:
A) Subduction
Step-by-step explanation:
A) Subduction
Fold and thrust belts are form due to compressional stresses and are formed typically along a convergent plate boundary during continent-continent collision as well as in the sediments of the passive margin of the subducting plate. Subduction is the tectonic process at the covergent margins by which the slabs of oceanic lithosphere descend into mentle.