What causes dipole interactions

A dipole-dipole refers to an intermolecular force, which takes place in between the two molecules that are polar. They take place when the slight negative terminal of one polar molecule gets fascinated towards the slight positive terminal of another polar molecule. These are weaker bonds in comparison to hydrogen bonds, however, they are stronger in comparison to London dispersion forces.

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

the answers would be

the first one and the second one