What is the primary benefit to construction using ferroconcrete? a.
Ferroconcrete minimizes the land needed for the structure.
b.
Ferroconcrete is the most cost effective material available in construction.
c.
Ferroconcrete uses both H-beams and I-beams so that it is almost indestructible.
d.
Ferroconcrete ensures the building will be strong and long-lasting.

D

Explanation:

Ferroconcrete ensures the building will be strong and long-lasting.

the longest time is 123 years

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