D. Mississippi because onomatopoeia is when the word is the same as the meaning. boom means boom, pew means pew, cackle means cackle. Basically onomatopoeia is sounds
<h2><em>That note is an 8th note. It's called that because if you have a 4/4 note measure, it has 8 beats in total.</em></h2>
C I’m pretty sure it’s 5 because it kind of like a triangular prism