How do the subheadings in "Georgia O'Keeffe: Modernist Pioneer" help the reader better understand the text?

They tell you what the sections in the text are about.

Explanation:

The whole purpose of subheadings are to tell the reader what the particular section is going to be about. They are located underneath headings and can include facts or important information about a person, place, or thing.

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faithful servants eumaeus and philaetius:

his ragged vest then drawn aside disclosed the sign conspicuous, and the scar exposed: eager they view'd, with joy they stood amazed with tearful eyes o'er all their master gazed:

these servants know ulysses by the scar he got when he was a child - so when he showed them the mark, they immediately knew this is truly their master and they hugged him, finally starting to believe his words.

a simile is first defined as a type of speech that uses one thing or phrase with comparisons to things of an unrelated kind, often in order to make a more vivacious description. so of the phrases above, only the last one (i swear she cast a shadow white as stone) would be considered a simile, as a shadow white as stone takes two unrelated things and uses them in an interesting way.

explanation:

mark brainliest and have a great day!