Jill has decided that she wants to start conserving gasoline Jill is considered about the rising price of gas as well as by products from gas engines pollute the atmosphere what solution would help Jill solve this problem A). deciding to drive her Carla until the price goes down

B). Deciding to ride her bicycle from work Instead of driving

C). Deciding to use premium unleaded instead of regular unleaded gasoline

D) Deciding to move to a city where smog from automobiles is not a problem

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness

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.