Answer:
The answer is below
Step-by-step explanation:
The term "Use it or lose it" concerning the Intelligent Quotient implies that when individuals don't utilize, and stretch their brain or intelligence capacities, in the longer run, as individuals age or grow older, the brain or Intelligent Quotient will not deliver high or maximum performance.
In other words, the more individuals use their mental capacity, the more likely one is to retain that mental capacity, in the long run, otherwise, one loses it.