Only one: the nucleus of an atom is made up of protons and neutrons.
Why others are false:
Boiling point of a substance is not dependent on the volume because it’s a intensive property.
During sublimation, a solid changes directly into gas.
Electrons orbit the nucleus of an atom in circular orbits (kinda unsure of this one.)
Components of the Skeletal System. The skeletal system is composed of four main fibrous and mineralized connective tissues : bones, ligaments, tendons, and joints. Bone: A rigid form of connective tissue that is part of the skeletal system of vertebrates and is composed principally of calcium.
