Ademonstration speech typically revolves around a process or sequence of events.

a. true

b. false

The statement saying, "A demonstration speech typically revolves around a process or sequence of events." is true. As the name suggests, a demonstration speech aims to inform the audience primarily through demonstrating the steps involved in accomplishing a certain task. It is then necessary that the process is done chronologically and in detail. 

What is the example? i’ll be happy to answer if you can tell me : )

Enzyme. anything that ends in "ase" is usually an enzyme.