What main groups of americans and immigrants settled to west?

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

Iron making developed in china almost a thousand years later than in the middle east. true false

Answer which of the following was a major outcome of european imperialism in africa after the industrial revolution? o a. the area around the suez canal experienced decades of military conflict. b. africans in the belgian congo suffered forced labor and oppression. o c. the discovery of rich natural resources led to african economic prosperity. o d. europeans brought disease to central africa, killing thousands.