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Answer:
In an outline, the relationship of topics and subtopics is shown through the use of Roman numerals only.
Explanation:
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In an outline, the relationship of topics and subtopics is shown through the use of: C. Spacing.
In an outline, the topics are shown in bold and are followed by subtopics which are subjects that can be discussed under the topics. Spacing is a useful way of separating the topics from the subtopics.
When the topics are written boldly, a space is given before the subtopics are inserted.
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