I believe the answer is: scarcity and opportunity costs
A concert tend to happen on unpredicatble time, which make it considered to be scarce among fans. When we are forced to choose between going to concert or study, we would be forced to weigh the opportunity cost that arise when we sacrifice a certain option to pursue another, and choose the activity that give us the most benefit.
<span>glass, air, plastic, rubber</span>
Shani is experiencing retrograde amnesia
Retrograde amnesia is a condition in which there is memory loss of events that took place in the recent past before the onset of an illness or an injury. Retrograde amnesia makes an individual to forget past events as opposed to new ones. This condition can be caused by devastating events, surgeries, brain injuries, infections, or shock therapy. The symptoms of retrograde amnesia are confusion, coordination issues and wrong memories.
Answer: c. A a secondary group becoming a primary group.
Explanation:
The example above signifies a secondary group becoming a primary group. A primary group is a group whereby an individual shows love, support or concern towards others in the group e.g family, church groups etc. The relationships formed here are usually long lasting.
Secondary groups on the other hand are the large groups whereby members typically have impersonal relationships. Since Tristan later became friends with a number of the members and they spent times together, this shows that a secondary group becoming a primary group.
