To arrive at the number of hydrogen atoms, What can be said about the relationship between the number of hydrogen atoms and the number of carbon atoms in an alkane or alcohol

The answer to the question is d

What’s the solution?

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.