When writing an expression or equation to represent a real-world situation, why is it important to be able to describe what each part of the expression or equation represents?

Definition: es. this is a disadvantage or weak point that makes someone or something less effective.

Name the most appropriate metric unit for each measurement like the mass of cow

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.