Using a steel framework with masonry sheathing, the , designed by Louis Sullivan, is thought by many to be the first genuinely modern building. a. Wainwright Building b. Eiffel Tower c. Crystal Palace d. Lever House e. Chrysler Building

Louis Sullivan designed Wainwright Building by using steel framework with masonry sheathing.

Explanation:

Louis Henry Sullivan is called as  'father of modernism' was an architect who build the Wainwright Building.

He took the idea from Marcus Vitruvius Pollio and used cast in iron or called terra cotta that contain vines and ivy that gives more geometric design.

Terra cotta is lighter and easy to use than stone masonry.

All of these materials are used in constructing Wainwright Building,Guaranty Building.

As he first invent to design the remarkable designs,he is called as father of American skyscraper

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.