What would happen to writing if paragraphs didn't exist is that when the reader reads the writing, he/she might skip a sentence or even get confused. And then you might not understand it yourself. It can affect the reader by not understanding what is going on in the writing if it's a story.
Since there is no underlined word, I will just list everything here.
A - there is no indirect object.
B - there is no predicate adjective.
C - assuming that the underlined word is the leaves, direct object would be the correct answer.
D - there is no predicate nominative in this sentence.
Answer:
Cheating
No sense of personal connection
Tech issues-Lag, no wifi