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A student is curious about what factors affect the tarnishing of jewelry. Which resource would be most appropriate to use in developing a testable hypothesis on this subject?

A student is curious about what factors affect the tarnishing of jewelry. Which resource would be most appropriate to use in developing a testable hypothesis on this subject?

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Last updated by jill d #170087
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I'm sorry, this is a short answer literature forum designed for text specific questions. We are unable to assist students with other subjects.