A shark's skeleton is different from a goldfish because
Athe shark's skeleton is very dense.
Bthe shark's skeleton is quite rigid.
Cthe shark's skeleton is composed of bone.
Dthe shark's skeleton is composed of cartilage.
Athe shark's skeleton is very dense.
Bthe shark's skeleton is quite rigid.
Cthe shark's skeleton is composed of bone.
Dthe shark's skeleton is composed of cartilage.