Answer:
1. Although I like pizza, I hate garlic; it gives me heartburn.
Explanation:
Yes, it's a dependent clause.
Just make sure u have a
introduction
answer the question of the essay
and a condition
hope it help
Supporting details can do all of the enlisted options except introduce the main idea. Supporting details are there to support the main idea, so of course they cannot introduce it. They are the result of the main idea, not its creator.
It's either B or C I'm not positive which one tho. Sorry!