Answer:
a. the action potentials in both individuals will be the same due to the all-or-none principle.
Step-by-step explanation:
Franklin is listening to music with the volume fairly low; Cecilia is listening to music with the volume turned to the maximum.
Based on what is known about action potentials, you could predict that for these two individuals, the action potentials action potentials in both individuals will be the same due to the all-or-none principle.