When the Confederate troops reached Santa Fe, a. they burned Fort Union. b. they distributed rations to those who surrendered. c. they captured the people of Santa Fe and marched them south. d. they destroyed all remaining supplies. Please select the best answer from the choices provided A B C D

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