I’m pretty sure it’s a limiting factor. Yeah, it is.
Rocky , made of gas , low density , small
hope it is helpful to you
Answer: <span>Marbles placed inside a hollow sphere are used to describe protons in a nucleus.
Models are artificial representations used to show some phenomena or features of the real world.
In this case, it has been used a sphere and marbles, to represent the fact that nuclei of atoms contain inside some smaller partilces which are the protons.</span>