A Venn diagram captioned: "In a survey of 250 European travelers, 93 have traveled to Africa, 155 have traveled to Asia, and 70 have traveled to both of these continents, as illustrated in the Venn ...
How to describe this image: Venn diagrams are usually described by listing the contents of each circle and then the are of intersection. This one is complicated by the drawings of the tadpole and the ...
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