Which process represents chemical weathering? Process A: Waves in a River lift rocks which crash down to the river bed and break

Process B: Water in the cracks of rocks freezes and breaks open the rocks

Process C: An organic acid produced by rotting vegetation makes holes in rocks

Process D: Roots of plants push against rocks and make cracks in them

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.