This could be a start for you... i tried to write more, but i had a writer’s block.
imagine the inside of a cave that has froze over with what seems to be ice, but it isn’t. whatever the material is made of, it looks like it would feel like a cloud or cotton.
Answer:
Sally, <u>the class introvert,</u> sat alone at lunch
Explanation:
the appositive is underlined ^
an appositive is a noun/phrase that adds additional info to another noun.
Answer:
Not asking for personal info and less ads and scams
It is a complex sentence because it is an independent idea and a dependent idea in one sentence.