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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 07:00
What is the waterway that links the atlantic and pacific ocean
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History, 22.06.2019 08:30
Search america's open door policy with china beginning in 1899. explain how relations with the united states and china have changed and the effects of the open door policy on both countries.
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What led to the unity of the colonies...
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