Pls I need help these are my last points!
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Chemistry, 05.02.2021 14:00 4804393909
Pls I need help these are my last points!
Answers: 3
Chemistry, 22.06.2019 21:40, k3rbycalilung
Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.
Answers: 2
Chemistry, 23.06.2019 01:00, birdman2540
Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold
Answers: 2
Chemistry, 23.06.2019 02:30, micahwilkerson9495
Which words or phrases identify layers of groundwater? check all that apply. water table kettle lake saturation zone underground lake sinkhole will give brainiest, answer quickly.
Answers: 1
Geography, 20.07.2019 06:30
Chemistry, 20.07.2019 06:30
History, 20.07.2019 06:30