Which of the following was NOT a policy that Shi Huangdi set up for his people? A. Having a standardized language

B. Creating a new money system
C. Allowing the people to have their own individual cultures

D. Standardizing weights & measures

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