____ help one slide flow gracefully into the next during a slide show.

A) Videos
B) Transitions
C) Variants
D) Shapes

Transitions are special effects that are used to help one slide flow smoothly into the next during a slide show. They can include fades, dissolves, and animations that add visual interest and keep the audience engaged. Videos, variants, and shapes may also be used in a slide show, but they do not specifically help with the flow between slides.