Based on the hierarchical organization, order these terms from smallest to largest.
carbohydrate
mitochondria
water
carbon
skin cell

From smallest to largest it will be first Carbon,Water,Carbohydrate,Mitochondria, Skin Cell.

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.