Answered

Gillian prepared beautiful photographs in keynote to illustrate various parts of her speech about the grand canyon. when gillian finished explaining each photograph, she left it on the screen for her audience to study until it was time for the next slide. did gillian make any mistakes in her use of visual aids?

Answer :

Yes. She should have display blank slides between the photographs
Blank slides between photographs is created in order to help the audiences to distinguish the photograph from a certain topic of presentation with the photograph from another topic. This would make it easier for the audiences to follow her presentation.

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