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Why did people begin to use money instead of barter?
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The specific department of health and human services (hhs) regulations that apply to research with children are known as: subpart b: additional protections for children involved as subjects in researchsubpart a: the common rulesubpart d: additional protections for children involved as subjects in researchsubpart c: protections for children in research
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What happens after a star goes supernova? just wondering! [tex]supernova [/tex] answer asap i really wanna know!
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Why did people begin to use money instead of barter?...
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