An individual joining an interest group for friendship is pursuing while those who gain satisfaction from taking action and pursuing the shared goals of the group are gaining

Solidary incentives and purposive incentives are the correct answers, respectively.

According to the American sociologist Mancur Olson, individuals do NOT join groups for rational means but through incentives. These incentives can be either solidary, material or purposive. Material incentives are understood as economic benefits or opportunities that will come afterwards. Solidary incentives, on the other hand, include companionship, a sense of belonging that will come with the pleasure of associating together. Purposive incentives are related to the ethical beliefs and principles that the person holds.

your answer is "graduates" hope this

the period of human evolution has coincided with environmental change, including ('hominin' refers to any bipedal species closely related to humans – that is, on how do we know earth's climate has changed? a map showing dates and locations of prehistoric archeological sites and migration routes from africa into.