a. The empresario from Missouri who settled along the Gulf Coast Plains and the Post Oak Belt was Martín de León b. Stephen F. Austin C. Green Dewitt d. James Power Please select the best answer from the choices provided

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