What is the concentration of carbonate ion, CO₃²⁻ (aq), in 100 mL of 0.020 mol/L K₂CO₃ (aq)? 0.010 mol/L
0.0020 mol/L
0.020 mol/L
0.040 mol/L

B. a graduated substance

C. control over the business

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.