Final answer:
The question falls under the subject of Physics in the High School grade level, revolving around the concept of temperature and its impact on human comfort and medical conditions. It involves understanding temperature scales and how different environmental factors influence temperature perception.
Step-by-step explanation:
When we discuss the comfort range of temperatures or abnormal body temperatures, we are referring to the physics of thermodynamics and heat transfer. In the details provided, various temperature ranges are discussed, including the comfort range of 45°F to 75°F, the normal human body temperature of 98.6°F, and the temperature scales used in different parts of the world.
For instance, if the temperature is reported as 45°C in Europe, which is equivalent to 113°F, that would certainly be considered extremely hot and above the comfortable range for most people. The understanding of temperature scales is crucial for international travel, medical diagnoses, and even in discussions of climate change and energy conservation. Furthermore, variations in ambient temperature can affect our perception of hot and cold due to additional factors such as wind chill and humidity.