Answer:
half step
Explanation:
Minor Second (one Semitone, one Half-step)
Now we look at the other end of the spectrum: the smallest interval that we have in the Western Classical music tradition. The minor second (also called the "semitone" or "half-step") is the interval between any two adjacent notes in the chromatic scale.
Gender identity is how a person defines themselves male or female. Sexual orientation is the type of partner a person looks for and whether they are straight homosexual or bisexual
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.