Help me pick out a topic for an informative speech to an audience of teenagers​

Changing the sentence structure and how quickly events unfold in a story can affect which literally element?

Select all that apply. because the length of his story is limited, short story writers typically:

You're playing the slots and "win" twenty-five bucks! you're stoked. during the past ten weeks, you've won another fifty bucks. but you've dropped two bucks in the slot machines every day for ten weeks