What was a major effect of the new economic prosperity in medieval europe?

more food was available for townspeople.

fewer people were required to farm the land.

the population moved from rural to urban settings.

towns were seldom chartered by a king or lord.

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