after searching for artificial sweeteners, do you think it is appropriate to have diet pop available in your school?

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.

i would say b

explanation:

but i think i would need more information than that