Discuss one way in which you think the United states has changed and one way it has not since 1776

About how many european immigrants were processed at the facilities on ellis island

Why might congress have had difficulty paying the war debt after the american revolution

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