A common component of visual aids is aa.Legendc.Captionb.Scaled.All of the above
Graphical information can be useful ina.Math onlyc.Science onlyb.Social Studies onlyd.All subjects
Explain how bar graphs can show comparisons between 2 topics.

A bar graph is a visual display used to compare the amounts or frequency of occurrence of different characteristics of data. This type of display allows us to: compare groups of data, and to make generalizations about the data quickly
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