Answer:
A. interactive elements
Explanation:
Presentation can be defined as an act of talking or speaking formally to an audience in order to explain an idea, piece of work, project, and product with the aid of multimedia resources or samples.
Similarly, an online presentation refers to speaking to an audience through the use of digital resources and over the internet.
Basically, any speaker who wish to create an effective presentation should endeavor to interact frequently with the audience by holding a conversation.
In this scenario, Meredith is using Twitter to gather real-time questions and feedback during her online presentation. Thus, the tool (Twitter) Meredith is incorporating in her speech is interactive elements.
This ultimately implies that, to create an effective presentation, speakers are saddled with the responsibility of using interactive elements to interact more often with the audience by taking questions, making a joke, getting them to repeat loud informations at intervals, etc.
