60 pointz will give brainiest if correct what best describes what happens during stellar fusion in a main sequence star. a one step process where one atom of helium is generated from four atoms of hydrogen. a complex process from which all the elements of the periodic table are formed. a three step process from which hydrogen fuses to helium, which fuses to carbon, which fuses to silicon a three step process where one atom of helium is generated from six atoms of hydrogen, returning two atoms of hydrogen to the stellar core.