review the text.\n\nbefore tuning a guitar, first learn the name of each string. a guitar has six strings…

review the text.\n\nbefore tuning a guitar, first learn the name of each string. a guitar has six strings: the first is on the bottom, and its the thinnest. the sixth string is on the top, and its the thickest. starting at the bottom, the notes run up e, b, g, d, a, and e.\n\nif you have an electric tuner, hold it near the guitar and pluck the high e string (the one on the bottom) first. the tuner will determine whether the note produced by the string is flat (too low) or sharp (too high). pick each of the remaining strings. depending on what the tuner tells you, loosen the string to make the note lower or tighten it to make the note higher.\n\nwhich best shows that the authors purpose is to explain how to tune a guitar?\nthe author outlines the steps that readers should take to tune a guitar.\nthe author contrasts flat notes with sharp notes.
Answer
Brief Explanations:
The text details steps like learning string - names and using a tuner for tuning, which shows the purpose is to explain tuning. Contrasting flat and sharp notes is just a part of the tuning process, not the main indication of the purpose.
Answer:
The author outlines the steps that readers should take to tune a guitar.