The seventeenth amendment, which established the direct election of senators, is an example of an amendment that

What form of government is powers of states?

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

Describe the government under, and powers given by, the articles of confederation.