The type of memory that Adam is experiencing is the implicit memory. The implicit memory occurs when the person has no conscious recall in which could be seen by how Adam can't recall the exact locations of the letters that are on the keyboard.
Answer: Rightly so, every place experience scarcity or shortages of some sort.
Scarcity can be defined as a lack or deficiency of something. It is a situation whereby something that is readily available is in an inadequate amount.
West Africa, Nigeria, one of the scarcity experienced here is electricity.
In Nigeria, about 40,000 megawatts is needed to sustain the basic population but only about 5,000 megawatts is readily available, that is just 12.5% of the total needed. This a clear definition of scarcity.