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<http://webisa.webdatacommons.org/prov/159193212>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/286757177> .
<http://webisa.webdatacommons.org/286757177>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/286757177>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<quizlet.com> .
<http://webisa.webdatacommons.org/286757177>	<http://www.w3.org/ns/prov#value>	"substance as a presentation aid, it is best to substitute a picture or chart or other representational device. ??? ??? ??? It has been estimated that __% of all information comes to us through sight. 80 ??? ??? ??? Leann wants to use color in her PowerPoint presentation to catch her audience's attention." .