Which statement describes the particles of an ideal gas?
(1) the particles move in well-defined, circular paths.
(2) when the particles collide, energy is lost.
(3) there are forces of attraction between the particles.
(4) the volume of the particles is negligible.

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )

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.