A father and his young son walk by a store and see a big sign in the store window advertising a "Fire Sale" next Tuesday. Although the father knows this means that the store will be selling their goods at greatly reduced prices, his son wonders why anyone would sell "fire." This difference in their reactions is due to:

semantics

Explanation:

Semantics is the study of the connection among words and how we draw significance from those words. Individuals can completely decipher words diversely and draw various implications from them.

Semantics implies the significance and translation of words, signs, and sentence structure. Semantics to a great extent decide our understanding cognizance, how we get others, and even what choices we make because of our translations. Semantics can likewise allude to the part of study inside phonetics that manages language and how we get meaning. This has been an especially intriguing field for philosophers as they banter the quintessence of importance, how we construct meaning, how we share significance with others, and how significance changes after some time.

the answer would be a

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.