E. one 20.0 Water and Ethylene Glycol have high boiling points when compared to organic molecules of the comparable size and weight. This observation is best explained as: r A. Dipole-dipole repulsions of the p orbitals on the oxygens. B. Hydrogen bonding between hydroxyl groups. C. Covalent interactions of the Carbon-Oxygen bonds. D. Ionic bonding of the micro-environment surrounding the Oxygen atoms. E. None of the above