Which of the following are ways that technology may be used in an investigation of clouds over kansas city?

a. computer software is used to analyze the types and shapes of clouds from pictures.

b. a modeling program uses past data to predict future types and shapes of clouds.

c. all of these

Copper, silver, aluminum, cobalt, chromium, mercury 

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.