Answer:
c) relate the names to information he already knows.
Explanation:
The levels of the processing model of memory mainly focuses on the depth to which our brain and our memory processes certain things and helps us to learn and remember. This processing model is developed by Robert S. Lockhart and Fergus I. M. Craik in the year 1972.
It describes the memory recall of a stimuli as the function of a depth of the mental processing.
In the context, George who requires to remember the names of the first 20 presidents of the USA for the test tomorrow should try to relate the names of the Presidents to some information or ideas that he already knows. In this way he will be able to remember the names and his memory will not forget the information.