Paragraph coherence occurs when the ideas in a paragraph are linked and there is a logical flow from one idea to the next.
1. Which of the following are techniques that you can use to help the reader follow your ideas?
Check all that apply.
O Use longer paragraphs.
O Avoid repetition of the same word more than once.
O Repeat a key idea by using the same expression or a similar one.
O Use bullets and lists to connect similar ideas.
O Show connections with transitional expressions.

Point 3 and 5

Explanation:

For  logical flow in a paragraph, a key idea has to be reiterated for the connection and focusing of such ideas. repetition also assist the reader in heading to the right direction.

For example: Donald trump is a great man among many Americans . They believe Trump has been instrumental in bringing back the country's greatness and sense of self-worth.

Transitional words also helps in connecting expressions in a paragraph, words such as however, nonetheless, moreover, thus and therefore are examples of transitional words or transitional expressions that helps build a reasonable link between the former and later expressions in a paragraph.

For example: Many people believe success belongs to a few because they have faced many insurmountable difficulties in their life, but on attaining greatness in life, they change their narratives.

i cannot see any of the options                                                                        

the answer is a because the astrophel does more and sidney goes to the astrophel more than stella.