Final answer:
Henry hears gun shots in the distance as he leaves Camp Harmony.
Step-by-step explanation:
As Henry leaves Camp Harmony, he hears the sound of gun shots in the distance.
Gun shots can be loud and sharp, and they are commonly associated with danger and warfare.
For example, in the passage from the book where Henry leaves Camp Harmony, it describes the rattling shots and rifle reports that he hears, which indicate a violent and dangerous situation.