Which of the following is an example of potential energy?* A firework exploding.
O A race car gaining speed towards the finish line.
O A phone sitting on the desk.
O Boiling water.

C6irc68rd6rid5rucr5u i6i iyf yif ify iyf ify yfi itf yfi yfi icy yfi yci yci iyc iyf iyf

You use the atomic number to find out how many protons and neutrons there are in the atom. you use the atomic mass to find out how many protons and electrons there are in the atom. 

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.