Gine1zAllisacomp Gine1zAllisacomp

01-10-2016
History

contestada

Which of the following was a new development of the second industrial revolution?
a. improved putting out system
b. invention of the cotton gin
c. improvement of the steam engine
d. new process for making steel

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melodydavis2k12 melodydavis2k12

25-06-2018

I think it is the letter d, I am uncertain though

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