Consider the skeleton. a human skeleton is shown. the skull, chest, neck and spine are highlighted. which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton

Axial skeleton

Explanation:

The axial skeleton includes the skull (including the ossicles found in the ear), the ribs (with the sternum), vertebral column and the hyoid bone (this is found in the neck area). They make up the bones that are located in the central axis of the body.

The appendicular skeleton are the bones that make up the rest of the body, usually found in pairs. An example would be the upper and lower limbs.

the supermassive black hole is in the middle of the galaxy.

the answer is c. it will give up it's valence electron to the other atom.