Answer:
Its Democracy,Monarchy & Dictatorship
If you have prepared a speech, but do not plan to use the same exact wording during actual delivery, you will be speaking extemporaneously.
<h3>What is the meaning of extemporaneously?</h3>
The act of extemporaneous means when something is done or spoken with little or no preparation.
A very good example of extemporaneous act is when an actor practices their lines only once before a performance without a preparation or advanced thought.
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Selection bias
is a kind of error that occurs when the researcher decides who is going to be studied.