What does consumption mean

Explain the difference between the prosecutor in a criminal case and the prosecutor in a civil case.

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

In the period from 1860 to 1890, which experience was shared by most native americans living in western states?