What is an important principle for using slides?

Multiple Choice

If you plan to speak for lengthy periods without referencing your slides, turn the presentation off.

Use animated effects every time you switch from one slide to another to liven up the presentation.

Avoid establishing eye contact with your audience as that may distract them from the slides.

The opening moments of your presentation are valuable, so start the slides right away.

Do not spend too much time looking at your slides with your back to the audience.