The __ button allows you to replace shapes in PowerPoint 2016

The answer is c.  the soft ware is unable to you because it is open for the public to use. 

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Ibelieve the answer is: b.  use a different transition for every slide to keep the audience's attentiona. that would make it boringc. sound effects might be distracting and some people might find it annoyingi hope that : ) 

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