Answer:
neither of the above because it is not true
I think the answer is sending out light; shining or glowing brightly. all you had to do was googled the answer and that's what you get . hope it helped.
The main purpose of subheadings are: They stand out because of their size and attract attention. The scanner will stop to read them and continue scanning until the next subhead which they'll then read. Scanning from subhead to subhead, they serve to guide the reader down the page.
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Hope it helps...</h2>
Writing thing about them is gonna give you more graded