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Decayed nuclei are removed prior to the next throw and the results give an excellent exponential decay curve without the hazards of using radioactive sources
Shape Bean Bags are designed as playful educational aids with the name and shape of each printed on each bag
smaller models in padded bag
reflective strips and elastic on the waist
Single pairs also available
RDR DSCR EARTH CLASS SET RED PFL7A0008 Decayed nuclei are removed priorDelta Science Content Readers Earth Science Red Edition, Class Bundle
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