Effective demonstrations require:
O developing a hierarchy of steps.
O discussing multiple views on a topic.
O an extensive use of third-person voices.
O delivering lengthy expository speeches.



Answer :

Final answer:

Effective demonstrations in speeches involve developing a hierarchy of steps, incorporating personal stories, and engaging the audience through interaction and Q&A sessions.


Explanation:

Effective demonstrations in speeches require a hierarchy of steps to be developed to guide the audience through the process. It is essential to include personal stories and connections to engage the audience and make the demonstration more interactive, for example by asking for volunteers. Additionally, allowing a question-and-answer period at the end helps clarify any doubts and enhances the overall effectiveness of the demonstration speech.


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