Plz i need to know what the appositives are in each scentance

Who are the queens with morgan le fay? what is significant about one of them

What are the similarities of physical and chemical change ?

Why is it important to be aware of you audience's interests? a. so that you can teach them new information thy didn't know b. so that you can use opposite ideas in order to shock them c. so that you can use the most effective strategy to persuade them d. so that you can pretend to like the same things and get them to trust you