What is the central idea of the passage?
Responses
A Gideon Sundback’s invention of the zipper made peoples’ lives easier.Gideon Sundback’s invention of the zipper made peoples’ lives easier.
B Zippers were invented in 1913, but did not become popular until the 1930s.Zippers were invented in 1913, but did not become popular until the 1930s.
C Children’s clothes were the first to have zippers instead of buttons.Children’s clothes were the first to have zippers instead of buttons.
D Zippers can be found on sleeping bags, purses, and clothing items.