Why were railways were important to every aspect of american life?

The government used a controversial bailout program to a. homeowners struggling with mortgage b. foreign banks overload with that c.automakers on the verge of collapse d.construction companies losing jobs

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

Why did einstein write a letter to president roosevelt