If Substance A has an LD50 of 20 mg/kg of body mass, and Substance B has an LD50 of 10 mg/kg of body mass, which substance is considered more deadly? Substance A is deadlier than Substance B. Substance B is deadlier than Substance A. Both substances are equally deadly enough to half a population. Neither of them are deadly because they do not reach at least 50 mg/kg.
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If Substance A has an LD50 of 20 mg/kg of body mass, and Substance B has an LD50 of 10 mg/kg of body...
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