Answer:
C. section headings
Explanation:
out of all the answers, section headings makes the most sense. it would make the procedural document more easy to understand, and more organized, because they would stand out.
Answer:
I think it should be
Broader
The worst blizzards in U.S. history.
In the middle
the most severe weather events in U.S. history.
Narrower
the Great Blizzard of 1899 in the eastern U.S.
Explanation:
I would assume it is too obvious but it is also not supported by any text. hmm. I'll say it is B because it is the summary of the plot going on.