How do the boldface headings develop the ideas in this article? a. they organize the events in chronological order. b. they raise questions that are answered in the article. c. they summarize the entire article for the reader. d-they organize the ideas into separate sections.

D. Headers help to make written work more structured. These headers organize the ideas into separate sections that give the reader an idea of what he learns from the sections. They also provide an opportunity to make your text more organized. The title should reflect the contents of the section, and it may be amusing or instructive.

to convince americans of the importance of others.

the best sentence that shows the best placement for the modifier "on the ice" is the one which contains it in the end of the sentence or in its beggining followed by a comma, that indicates it works as adverbial, dislocated in the sentence.

the girl promptly slid on her rollers on the ice.

on the ice, the girl promptly slid on her rollers.