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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

Question 6 of 27 1 point which of the following best describes the three-fifths compromise at the constitutional convention? o a. no more than three-fifths of a state's population could include slaves. o b. three-fifths of a state's slaves had to be released within 20 years. oc. slaves would be counted as three-fifths of a person when determining representation in congress. od. three-fifths of a state's population had to vote for slavery if a territory was to enter the union as a slave state. g

In 1991, which of the following split into 15 independent republics when its communist government lost power? a) china b) belarus c) germany d) soviet union