This is for me and my friend dont report plz bc i need 2 talk 2 her
witches cov3en

Thank you.

Explanation:

H y'all.

Explanation:

We bacc at it again

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.