What responsibilities did you think other nations had to stop the persecution of jews in german controlled lands?

What is the name of the first president

How did the beliefs of the roman catholics differ from the eastern orthodox form of christianity?

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