How does the justinian code compare with the principles of roman law?

Which communities brought about the rise of the first politician? a.anthropological b.neolithic c.hominids d.geologist

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal

Need ! how did sumner define liberty in the book of "voices of freedom"