Answer:
molecules have sufficient kinetic energy to overcome the intermolecular forces in the liquid
Explanation:
My personal choice for a reference point would be the center of the Sun. That would most clearly reveal all of the motions involved.
Beta decay converts a neutron to a proton and emits a high-energy electron, producing a daughter nucleus with the same mass number as the parent and an atomic number that is higher by 1.
Contained within a system that is responsible for it temperature