Why did josef mingle do so many experiments on twins?

Which of the following is true about elizabeth i's reign? she enforced the catholic church as england's official religion. she began a series of holy wars to fight puritans. the church of england was established by law. puritans supported the her commitment to any religion,

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

Which two activities did soldiers carry out as a part of their routine during the civil war? taking care of horses training slaves educating women cleaning weapons