think about what you now know about the interaction of water and earth material describe two layers of earth material that are necessary for an aquifer to form and what property each material has that support aquifer formation

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 is b) false

I'm sorry i cant you if you don't list the elements : (