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OpenStudy (anonymous):
Who designed an elevator that made it possible for people to move easily from floor to floor in a skyscraper? A. Louis Sullivan B. Elisha Otis C. John Roebling D. Frederick Olmsted
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OpenStudy (paki):
what you guess here about the answer...?
OpenStudy (anonymous):
A?
OpenStudy (anonymous):
It's B, Elisha Otis. :)
OpenStudy (anonymous):
b
OpenStudy (anonymous):
ok thank you :)
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