Which choice below represents a negative impact that chemistry has on society? A. development of cancer treatment drugs
B. development of Teflon, the nonstick material used in cookware
C. combustion of car engines producing pollutants in the air
D. the development of nuclear power plants used to produce electricity

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.