Explain why there were mass casualties and why no side was winning. During WW1

Which constitutional amendment resulted in part from unconventional forms of participation in the 1970s?

The north was victorious in the battle of bull run true or false

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