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Use the graph below to determine the range of values in which the LD50 of this pollutant lies. Dose-response curve shows twenty percent of the population died when exposed to thirty-eight milligrams of pollutant A per kilogram of water. Forty percent of the population died when exposed to forty-two milligrams of pollutant A per kilogram of water. Sixty percent of the population died when exposed to fifty-five milligrams of pollutant A per kilogram of water. Eighty percent of the population died when exposed to sixty milligrams of pollutant A per kilogram of water. One hundred percent of the population died when exposed to one hundred milligrams of pollutant A per kilogram of water.
Between 0 and 20 mg/kg
Between 20 and 40 mg/kg
Between 40 and 60 mg/kg
Between 60 and 80 mg/kg
Answer: C would be the correct answer, "Between 40 and 60 mg/kg"
Explanation:LD stands for "Lethal Dose" and the definiton of lethal dose is a dose that is lethal to 50% of the population, therefore, LD50 lies between 40 and 60 mg/kg in this situation. I am hoping your graph was the same as mine, and I hope this helped!
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