Question

you are looking at a two - story masonry building. you notice large metal plates on the front and back walls of the home about every four feet across the walls, at approximately the second - story floor level. these are
o support brackets for balconies
o support points for porch roofs
o stabilizing a bowed wall
o protecting damaged masonry
o to increase structural rigidity in earthquake zones

Explanation:

The large metal plates on the walls of a two - story masonry building, spaced about every four feet at the second - story floor level, are typically used to increase structural rigidity in earthquake zones. This helps the building better withstand seismic forces.

Answer:

to increase structural rigidity in earthquake zones