What must you remember when using video clips during a speech presentation?

Which visual aid is a combination of several forms of communication - audio, video, text, and animation?

What is expressed in the following sentence?

I personally believe that things happen for a reason, so I try to be positive even in difficult times.

What kind of statement is exemplified below?

I think we must really follow basic health protocols like wearing face masks and face shields and maintaining social distancing because they help prevent Covid 19 from spreading and infecting more people.

Which phrase does not signal a statement of belief or conviction?