Question

which bone provides the only fixed support for the pectoral girdle? answer clavicle pelvis acetabulum scapula i dont know yet

Explanation:

The clavicle is the only bone that provides fixed support for the pectoral girdle. The pectoral girdle consists of the clavicle and scapula, and the clavicle articulates with the sternum, providing a stable attachment point. The pelvis is part of the lower - body and the acetabulum is related to the hip joint. The scapula is more mobile and not the fixed support.

Answer:

A. Clavicle