Using the axes below, plot the curve of temperature of the indoor room from the time the temperature drops to the time that thermal equilibrium is reached. Assume that the heating has not been turned on.

It changes food into energy that the organism can use.

The flowers in a flower arrangement are actually alive

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.