What famous singer did sam phillips discover?

Which term describes the soviet policy the expanded freedom of the press and allowed criticism of the communist party during the cold wara: containment b: perestroikac: detente d: glasnost

How did justinian attempt to revive the “glory of rome”?

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