The heat of the water is shared with the ice and there for you drink will get cold but your ice will melt away from the heat going in the ice
It's the weakest of all the intermolecular forces present in chemistry . the London dispersion force is a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles. This force is sometimes called an induced dipole-induced dipole attraction.
C. If the mass or length of substance changes it's extensive