Sweat is a type of perspiration method by which the body temperature is regulated. The reason for the sweat not evaporating is the relative humidity of 95%.
Humidity is the amount of water vapours present in the atmosphere that are not directly visible and plays an important role in climate and weather.
When the humidity of the environment is more than the water vapour from the sources like sweat, leaves, or any other steaming substances will not evaporate as the water content in the atmosphere is already high.
Therefore, option D. A relative humidity of 95% is the reason that sweat will not evaporate.
Learn more about sweat and evaporation here:
https://brainly.com/question/17555507
