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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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The mongols were descendants of a. pastoral nomadic tribes b. tibetan tribes c. shang nobility
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What happened as a result of workers organizing into unions in the late 1800s?...
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