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　　　Epilogue

　The iron carbide was made with the reaction of carbonated water and iron. The iron carbide reacts with water and produces free atoms of hydrogen and carbon. Those atoms make a bubble. The surfacing bubble includes the iron carbide that produces iron carbide bubble.

　The characteristic of an atom depends on the electronic state. The electronic state of an atom depends on the situation. The nature of the atom differs by the situation. The situation of the atom is changed, if it makes a reaction. The optimal electronic state of each atom in the membrane of bubble is selected among possible states through mutual interaction with the surroundings. Those atoms form a molecule and the molecule interacts to the other molecules. The electronic state of each atom will be changed to fit to the environment of gathered molecule.

　The adaptability of atoms forms a molecular copy by forming a mould of the molecule. The molecule that wore out is supplemented by the adaptability of atom. It is the principle of primitive metabolism. The system that is fit to the environment exists long. The existence of long time makes possible to form the system that makes the same existence. Then, the mass production was produced. The molecule that is necessary in the optimal system was evolved by the natural selection.

　In this website has presented the explanation in which the foundation for the first life was formed in the ecosystem of bubbles.