small container is filled with liquid water. What can happen if the container of water is an open system that couldn’t happen if it were a closed or isolated system?

The temperature of the water can be raised.
Evaporation can decrease the amount of water.
Dust from the surroundings can enter the water.
The water can freeze if the surrounding temperature decreases sufficiently.
Water can spill from the container.

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

What term describes technology that operates on an atomic level

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.