Final answer:
Sound effects, like infrasound and ultrasound, should be on separate lines in written content, clarifying for readers when a sound event occurs, distinguished from dialogue. This practice is helpful for reader comprehension in scripts and literature.
Step-by-step explanation:
The question seems to be regarding the formatting of sound events in written content, likely for an English or language arts class in Middle School. When transcribing or writing dialogue, sounds such as infrasound and ultrasound or sudden noises should be placed on a separate line to clearly distinguish them from spoken dialogue.
This practice makes it easier for readers to understand what is happening in the scene and who or what is making each sound. Moreover, it is important to understand the difference between letters and sounds, as letters represent the visual symbols in written language, while sounds are the auditory elements we hear in speech. For instance, in the word 'else,' you can hear approximately three sounds which are the phonetic representations of the spoken word.