Question

what is being referred to in the following definition? a barrier along the open sides of stairways and platforms that prevent falling. select the best option. toeboard top rail guardrail banister

Explanation:

A guardrail is a barrier along the open sides of stairways and platforms to prevent falling. A toeboard is at the bottom - edge, a top - rail is part of a guardrail but not the whole barrier, and a banister is mainly for stairs and is more about hand - holding support.

Answer:

C. Guardrail