The correct answer is<span> gases, energy, temperature, phases
Gravity and nuclear forces are not encompassed in the kinetic molecular theory as it deals with movement and behavior of gas molecules. It does not include their conversion to other types of energy or anything similar. </span>
Except for climate which has changes over the eons.
A. Neutrons.
If it were electrons, it would be an ion.
If it were protons, it wouldn't be the same element.