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which invention was in use before the second industrial revolution? A.reaper B.telephone C.light bulb D. zipper

Sagot :

The invention that was in use  before the second industrial revolution is A
The second industrial revolution is also the Technological Revolution
The Reaper was widely used to cut down and harvest
so the answer would be A
the revolution started at 1870s
the light bulb was invented at 1879
telephone at 1876
zipper at 1890
and the reaper was invented in 1831 so it was already a popular harvesting tool by the time of the revolution