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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 03:00
Which of these innovations led to increased production in american factories in the early 1800s? a. the use of interchangeable parts b. the construction of canals c. the invention of the mechanical reaper d. the availability of electricity
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History, 22.06.2019 04:10
How does the balance of trade look different in the us today vs hot it looked in the 70's
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why do you think the Olmec decided to settle where they did in North America? How do you think the e...
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