It's called the product rule
The sentence that uses the dash correctly is D) The menu included some of her favorites - for instance, chili, spaghetti, and vegetable soup.
<em /><em />In the other sentences, the dash is placed in the wrong position.
The climax is when Rikki decides to fight the cobras in their home territory. However this plan is interrupted when the cobras sneak up within striking distance of the son.
For memories so that they could remember everything about the wedding