All of the following were invented before 1840, EXCEPT. A) power loom. B) zipper. C) cotton gin. D) mechanical reaper

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asked Apr 15, 2017 234k views

1 Answer

Kareemostafa · Answer 1 · 2017-04-20T09:34:26+0000

All of the choices given were invented before 1840 except for the zipper. The zipper was invented in 189. The correct answer is B.