Answer:
In writing, a transition is a word or phrase that connects one idea to another. This connection can occur within a paragraph or between paragraphs. ... Rationale: The transition helps to show how the two paragraphs are related and helps to show the reader the underlying similarities
Explanation:
The answer is A because theres nothing else to modify.
Answer:
1. more than 14 days of headaches over three months in a row.