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History, 22.06.2019 02:00
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
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History, 22.06.2019 06:00
World war 2 was caused, in part, by which of these factors?
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Which of these is the modern day result of spain colonization of the americans?
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As a Conservative Republican President Nixon did what...
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