Molly hears that addiction may be due to changes in brain patterns and activity as a result of repeated drug use. When she asks her professor why this is so, he cites research which states that ____
a. what she has heard is only a myth, and has no basis in fact
b. only individuals with familial alcoholism and drug addiction are likely to show these changes in brain patterns
c. the chronic flooding of dopamine from drug use eventually results in compulsive drug-seeking behavior
d. the research is merely correlational and no one is certain why this happens
C
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Which part of the eye regulates the size of the pupil?
a) iris b) lens c) retina d) sclera
African American children will receive more "like best" nominations when
A) there are few other African American children in the class. B) there are more other African American children in the class. C) they are isolated from other races of children in the class. D) they are more aggressive with other children in the class.