Each bone has a humerus. The ones that have these bones are humans, lions and birds
Oceanic crust is thinner and denser than continental crust.
Answer: Collagen is the most abundant protein in the body. Its fiber-like structure is used to make connective tissue. Like the name implies, this type of tissue connects other tissues and is a major component of bone, skin, muscles, tendons, and cartilage
Explanation:
A. DNA mutation (i think)