Answer:
c. when you get to college you change the way you dress so that you "fit in" better--that is, so that people will like you more.
Explanation:
Informational social influence leads to internalization (private acceptance) of the majority opinion/behaviour i-e you actually change your attitude / belief. It is basically a difficult task , unsure of the answer, usually ambiguous , actually use others's response to form an opinion and actually believe what others say and internalize in. It is usually found in the crisis situation, when you don't know what to do and following th advice of expert. Examples include listening to fireman.
Hence in the given options, only c. when you get to college you change the way you dress so that you "fit in" better--that is, so that people will like you more. seems not to be example of Informaltiona social influence.
Commensalism is when one organism benefits off the other one without harming it. Examples are tree frogs that use plants for protection or jackals that have been expelled from packs trailing tigers and feeding on the remains of its kill. Barnacles on whales get shelter by attaching to a whales body
I believe the correct answer would be B. Semipermeable means that it allows certain substances to pass through, and certain other ones to not pass through. So given all of your options, I would say that B makes the most sense. Hope this helped!
-TTL
C "fatty acids" is your answer