How does the author support this opening statement throughout the text

Identify two types of chemical bonding in the source of dietary potassium

Building glycogen from glucose molecules is an example of

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms