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OpenStudy (anonymous):

HELP PLEASE!!! How did machines change workers’ lives?

OpenStudy (anonymous):

a They required more expertise and skill. b They decreased the pace of work. c They increased the number of workers needed. d They divided labor into many small tasks.

OpenStudy (anonymous):

Should be D

OpenStudy (anonymous):

thank you.

OpenStudy (anonymous):

Your welcome.

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