Imagine you have two pots on the stove, and each is holding 10 cups of water. you add half a cup of table salt to the water in pot a and nothing to pot b. will the water in pot a or pot b boil first? explain your answer.

Salt water would boil faster because salt water has less capacity to hold heat, so it reaches its boiling point faster than pure water.

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.