Will give brainliest answer 1. if styrofoam ball and a steel ball are the exact same size & shape: a. describe the volume (which has more, or are they the same): b. describe the mass (which has more, or are they the same): c. describe the density (which has more, or are they the same):

idk i’m struggling too

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.