A mnemonic device is a method of improving one's

A) memory.
B) sensory acuity.
C) weight control.
D) ability to concentrate.

A mnemonic device is a technique or tool that helps improve one's memory. Mnemonic devices can be used to remember names, dates, numbers, and other information that can be difficult to recall. By associating the information with a memorable image, phrase, or rhyme, one can more easily retain and retrieve it when needed. Mnemonic devices are often used in academic settings to help students learn and remember important facts and concepts.