Demand graphing please HELP​

Why was charliemagne hesitant about being crounded holy roman emperor?

This chart shows the number of soldiers killed according to two different sources. source a is a book written by university professors. source b is from a well-known historical website. in a paragraph, explain why the data presented is different, and evaluate the reliability of each source. which should be used in a school research project, and why?

Skeleton and keyword outlines are most appropriate for what speech style? extemporaneous impromptu manuscript memorized