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OpenStudy (anonymous):

While the first Industrial Revolution saw a change in producing goods using human and animal power to machines, the second Industrial Revolution of the 19th century saw a change from using ____ to ____. A. Stone; Metal B. Iron; Steel C. Machines; Humans & Animals D. Self-learning robots; man-powered simple machines

OpenStudy (anonymous):

@Katrinalove122

OpenStudy (anonymous):

I'm thinking Machines;Humans & Animals

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