Assume your hybrid car gets about 38 mi/gal of gasoline and the current price per gallon of regular, unleaded gasoline is $2.99. the cars gasoline tank holds 11.5 gallons. How far can the car travel on a tank of gas?

Anions are negative charged ions

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.