Respuesta :
The role that the white space plays in an effective technical document is this: B) It lets the reader know where important information is located.
What is a Technical document?
A technical document is a piece of information in hard or soft copy that provides information on a subject. The white space is important in a technical document because it prevents the cluttering of information.
Thus, the reader can know where the important information is located and focus on that. So, option B is right.
Learn more about technical documents here:
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