Final answer:
The themes of self-discovery, family bonds, and supernatural encounters are integral to Chapter 16 of 'Summer of the Mariposas'.
Step-by-step explanation:
A theme for Chapter 16 of Summer of the Mariposas by Guadalupe Garcia McCall might center around the concept of self-discovery and the importance of family bonds. Throughout this chapter, the characters continue their journey and face various challenges that test their resilience and strengthen their relationships. One of the key elements in this chapter is how the sisters support each other and learn more about their strengths and weaknesses. The theme of supernatural encounters also plays a significant role, as the characters often interact with beings and elements from Mexican folklore, affecting their journey and personal growth.