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Case-based Critical Thinking QuestionsCase 13-1Judy wants to be able to validate the XML documents that she uses for recipes. These documents include numeric elements that specify ingredient amounts and cooking times, so you recommend that she use a schema instead of a DTD, and you teach her some of the key facts about schemas. You teach Judy about the differences between simple and complex data types. Which of the following would NOT require a complex type?

A. an element containing only text B. an empty element containing attributes C. an element containing child elements D. an element containing child elements and an attribute

The accompanying figure represents the ____.

A. Towers of Hanoi B. Fibonacci sequence C. sum of squares D. factorial sequence