That’s the periosteum. it’s a hard membrane, which muscles and ligaments are attached to, under which blood flows through the bone
The kinetic molecular theory of matter states that: Matter is made up of particles that are constantly moving. All particles have energy, but the energy varies depending on the temperature the sample of matter is in. This in turn determines whether the substance exists in the solid, liquid, or gaseous state.
Earthquake, Tsunami, land slides, storms, and flooding
