A __________ is defined as a sequence of steps and it is provided

a-is-defined-as-a-sequence-of-steps-and-it-is-provided

A __________ is defined as a sequence of steps and it is provided to afford the means of Ascent and Descent between the floors or landings.

A. Stair

B. Beam

C. Roof

D. Sidewalk

I have been asked this question in homework.

The origin of the question is Stairs Technical Terms topic in division Arches, Lintels, Stairs and Formwork of Construction & Building Materials

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