Identity vs. Role Confusion; adolescents search for their sexual & occupational identity through the exploration of their goals, beliefs, and values. If an adolescent fails to establish a sense of identity, he feels unsure of himself and/or his place in society(role confusion/identity crisis).
The answer to your question is 15-24.
The correct answer is interference
Explanation: The superposition, also called interference in some cases, is the phenomenon that occurs when two or more waves meet, generating a resulting wave equal to the algebraic sum of the disturbances of each wave.