Which of these groups was involved in the legal challenges to segregation that resulted in the supreme court ruling in brown v. board of education?

congress on racial equality (core)

american civil liberties union (aclu)

southern christian leadership conference (sclc)

national association for the advancement of colored people (naacp)

Rock concerts musical instruments cell phones and contact lenses are just a few things that are possible because of

Rick is a toddler with an easy temperament and active nature. people are often seen stopping to talk to him in supermarkets and parks where his mother takes him in the evenings because he smiles willingly at other children and adults. this aspect of rick’s behavior most likely reflects a(n) active genotype–environment interaction suppressive genotype-environment interaction passive genotype–environment interaction evocative genotype–environment interaction

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?