Answer:
Strength in Weak Ties
Explanation:
According to my research on studies conducted by Mark Granovetter, I can say that based on the information provided within the question this is an example of the concept known as Strength in Weak Ties. Weak Ties refers to a basic relationship that an individual may have with acquaintances, or a stranger with a common cultural background. The strengths in these ties can vastly affect interactions and outcomes with these individuals. In this situation Emma's strength in her weak ties relationship with her aerobics instructor is helping her secure an internship.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.