A proton is a subatomic particle with a positive charge. It is found in the atomic nucleus. ( AG Caesar) Atoms consist of smaller particles called protons, neutrons, and electrons. Here is the definition of a proton, its electric charge, where it's found in the atom, and a collection of proton facts.
it depends what kind of energy your taking about, like human energy or nonrenewable energy. If it is human energy then the option c, but if it is nonrenewable energy than b.
