Ans: D. many buildings were constructed before stringent requirements for wind loads appeared in model building codes.
Significant structural damage over a large area can be expected after windstorms, tornadoes, or hurricanes because:
A. wind loads are considered as part of the structural design.
B. of a lack of early warnings from the National Weather Service.
C. unpredictable seismic events affect important public and critical infrastructure.
D. many buildings were constructed before stringent requirements for wind loads appeared in model building codes.
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