The correct answer is 1.
Mono is a prefix that means single, or just one. Therefore, it uses only 1 vocal melody.
Answer:
to help readers understand how remarkable the success of the voyage was 1
Explanation:
This is true because, it would help the reader to learn that, the same hurricane which they are complaining about, another steam boat weighing 500-ton just passed through the same hurricane successfully. That it weathered the hurricane, shows that, it was not affected by the hurricane.
