The Strength of Cohesive Forces in a Substance

Multiple Choice

The strength of cohesive forces in a substance:

A) is directly proportional to the substance's melting and boiling points.
B) is inversely proportional to the substance's melting and boiling points.
C) is directly proportional to the substance's melting point and inversely proportional to the substance's boiling point.
D) is inversely proportional to the substance's melting point and directly proportional to the substance's boiling point.
E) is independent of the substance's melting and boiling points.