Answer
The changes that affect the vapor pressure of a liquid are surface area, type of molecules, and temperature.
Step-by-step explanation
The vapor pressure of a liquid is affected by some factors which are surface area, type of molecules, and temperature.
As the temperature of a liquid increases, the kinetic energy of its molecules also increases. As the kinetic energy of the molecules increases, the number of molecules transitioning into a vapor also increases, thereby increasing the vapor pressure.