Answer:
What is the difference between a topic and a main idea? The topic is the general subject of a paragraph or essay. Topics are simple and are described with just a word or a phrase. The main idea is a complete sentence; it includes the topic and what the author wants to say about it.
Explanation:
A compound sentence contains two independent clauses joined by coordinator the coordinators as as followed: for, and, nor, but, or, yet, so,
A complex sentence has an independent clause joined by by one or more dependent clauses. A complex sentence always has a subordinator such as Because, since, after, although, or when or a relative pronoun such as That, who, or which.