I believe this an example of complex sentence structure.
My reasoning is that most of these sentences are in fact compound complex sentences-
Compound-complex sentences contain two independent clauses and at least one dependent clause.
An example of a complex sentence is this: “I burned dinner but not the cake.”
A speech urging students to elect you as class president
Answer:
FAD. abbreviation. flavin adenine dinucleotide. MLA Style. "Fad."
A fad, trend, or craze is any form of collective behaviour that develops within a culture, a generation or social group in which a group of people enthusiastically follow an impulse for a finite period. Fads are objects or behaviours that achieve short-lived popularity but fade away.
an intense and widely shared enthusiasm for something, especially one that is short-lived; a craze.
Examples of fads include the Hula-hoop®, Pet Rock®, Pokémon®, the yo-yo and Beanie Babies®.
