which type of structure is both cost effective and minimizes space? a. suspension b. skyscraper c…

Brief Explanations:

A skyscraper is a tall building designed to minimize horizontal space by utilizing vertical space, making it both cost-effective (reducing land usage) and space-minimizing. Suspension (a) is for bridges, cantilever (c) is a beam structure, and ferroconcrete (d) is a material, not a structure type.

Answer:

B. skyscraper