Answer and Explanation:
If we have a scaffold under construction, we will have an environment with some risks that must be combated, through guidelines that protect not only workers, but also people who are possibly passing through the site.
The construction of the scaffold leaves the environment dangerous because it can present risks of slips and debris falls, electrocution risk, risks of poorly prepared structure, among others.
D is the answer sooner hope it helped
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This is a compound sentence in which the two independent phrases are joined by the conjunction 'and'.
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