From a sociological perspective bullying can be linked to certain characteristics in a student that makes it more likely for someone to pick on them. Among those listed are wearing glasses, being less popular, being under or overweight, coming from a dysfunctional family, or others. Hope this helps!
I'm pretty sure the answer is fingerprint scanning.
According to Freud, this is Reaction Formation.
Another example can serve men that are prejudice against homosexuals are actually making a defense against their own homosexual feelings.
I believe the answer is: Functionalists
Functionalists believe that state of mind that exist in people mind consist of the awareness on their perspective function in society.
As people held more important functions among social group, those people tend to be held on higher social standing by other members.
Chemical contamination is when chemicals from industries or harmful sprays in farming get washed off into bodies of water.