What do you do when you enlist

Ow does the point of view used in "battling the digital jolly roger" differ from "the completely free market" and affect the reliability of the article?

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 of the following best describes the economic effect that results from the government having a budget surplus?