Explain why the following sentence is not correct because cats have such good vision they can see when it is completely dark

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Engineers have contribute to society in many ways like making the technology we use today or any type of power energy material

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.