The homo erectus is the most common ancestor with modern humans
According to natural law moral theory, the moral standards that govern human behavior are, in some sense, objectively derived from the nature of human beings and the nature of the world. While being logically independent of natural law legal theory, the two theories intersect.
An element's atomic number is the amount of protons (positively charge subatomic particle found in the atoms nucleus) present in one atom of that element.