What is the right way to wash your hands?
Follow the five steps below to wash your hands the right way every time.
Wet your hands with clean, running water (warm or cold), turn off the tap, and apply soap.
Lather your hands by rubbing them together with the soap. Be sure to lather the backs of your hands, between your fingers, and under your nails.
Scrub your hands for at least 20 seconds. Need a timer? Hum the "Happy Birthday" song from beginning to end twice.
Rinse your hands well under clean, running water.
Dry your hands using a clean towel or air dry them.
Answer: 2)
A mnemonic device
Explanation: A mnemonic is a tool or memory aid that helps people to remember or memorize things easily. It helps you to remember an idea or phrase with a pattern of letters, numbers, or relatable associations. Mnemonic devices may include special rhymes and poems, acronyms, images, songs, outlines, and other tools. In the question Luke makes up a sentence using the first letter from each base as the first letters for his words, repeating to himself to help him remember more easily the bases of DNA. In other words Luke formed mnemonics using the first letters of the DNA bases to remember them easily.
