Grooming accomplishes all except a. plays an important role in the day-to-day life of nonhuman primates b. occurs in a variety of contexts c. reinforces social relationships d. is an affiliative behavior e. empathy

Which pronoun has an unclear antecedent in the following sentences? the sixth-grade students liked volunteering their time to read to the elderly people in the hospital. it made them happy. a. their b. it c. them d. no unclear antecedents

Me with this psychology homework, i’m struggling with it.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society