The room has to be completely dark for a transparency to be visible.
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Q26: Sometimes the message and structure of a
Q27: Visual aids have more potential drawbacks than
Q28: Graphs are visual aids showing how variables
Q29: A line graph is most effective in
Q30: The most important principle to follow in
Q32: Several computer programs allow you to incorporate
Q33: Visual aids should be colorful because color
Q34: Because it is easy to make computer-generated
Q35: Although there are many benefits to using
Q36: Effective visual aids make the speech more
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