Cannabis indica has more psychoactive potency, whereas Cannabis sativa is more associated with

Human beings have ______ chromosomes in normal developmental cases

a) 13 b) 23 c) 32 d) 46

Attribution research shows that

A) boys are more likely than girls to blame their lack of ability for poor performance. B) compared to low-SES ethnic minority children, middle-SES white children tend to receive less favorable feedback from teachers. C) compared to U.S. mothers, Chinese mothers offer more praise after success. D) well-intended messages from adults sometimes undermine children's competence.