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History 8 Online
OpenStudy (anonymous):

Which innovation extended the number of hours in a day that Americans could work and play?

OpenStudy (ciel21):

well you figure theres 24 hours in a day and you need 9 hours of sleep so if you try and find the equality what would your estimate be?

OpenStudy (anonymous):

thanks so much A. Bessemer process B. telegraph technology C. refrigeration D. electricity these are the selectopns

OpenStudy (ciel21):

its b xP

OpenStudy (anonymous):

ok thanks

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