At a block party, Cyndi is introduced to eight new neighbors. Moments later, she remembers only the names of the first three and last two neighbors. Her experience illustrates the serial position effect. the misinformation effect. acoustic encoding. source amnesia. implicit memory.

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.