Which best explains why the sun maintains its size and shape?

If this equation was completed which statement would it best support

Figure 10-1 study figure 10-1. the strong nuclear force felt by a single proton in a large nucleus

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed