A prescription for amoxicillin comes in an oral suspension that is 200 mg /5 mL. A patient is prescribed 500 mg every six hours. How many milliliters of amoxicillin should the patient take per dose?

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.