Which chemical reaction is most likely the slowest? A. Red blood cells exchange oxygen molecules for carbon dioxide
molecules.
B. Oxygen produced by plants changes the pH of an aquarium's
water.
C. Chlorophyll in plants absorbs sunlight and converts it to chemical
energy
D. Rocks are eroded by acid rain.

1.from liquid state to gaseous state is evaporation 3.solid to liquid is melting 5. solid to gaseous state is sublimation 6. gas to solid state is decomposition 7. a change of state is known as the states of matters

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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.

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