What is the primary characteristic that distinguishes a fire wall from a fire barrier under the International Building Code?
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A
A fire wall must be of noncombustible construction in all cases
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B
A fire wall must be structurally independent so that collapse of construction on either side does not cause the wall to fail
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C
A fire wall requires a minimum 4-hour rating regardless of occupancy
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D
A fire wall must extend from the foundation to the highest point of the roof