Which of the following statements is true?

the boiling point of a substance is dependent of volume.
during sublimation, a plasma changes directly into a solid.
the nucleus of an atom is made of protons and neutrons.
electrons orbit the nucleus of an atom in straight lines.

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.)

C) the increase in atmospheric pressure pushes the walls of the balloon outward thus making it  is the answer.hope i you.