Which is the best description of a chain of custody? a) a list of all personnel entering the crime scene. b) a log of which family member has ownership of the evidence. c) a log of which agency controls the evidence so the case stays in the correct jurisdiction. d) a log of who has handled the evidence and when so the integrity of the evidence is upheld.

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

How do you know when a chemical reaction has occurred

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.