Carbon dioxide is a compound that forms with the combustion of carbon in the presence of oxygen. Electron-dot formulas are used to model the bonds that form.
Which of these is the electron-dot formula for carbon dioxide?

Where is the graph ?

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.

The correct answer would be b) volume versus temperature, because they are also directly proportional.