This is true. A famous example of this is a poem Jabberwocky by Lewis Carroll which is completely made up of nonsensical words yet is entirely grammatically correct and can be analyzed as such.
"mp" in music stands for "mezzo piano." Mezzo means medium and piano means soft, so therefore, the musician should play at a slightly reduced volume.
<span>Greeting's!
d.) Compound complex -</span>a.) Simple-<span>a.) Compound-complex
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