The unit for density found in many density tables is kg/m3. At a certain temperature, the gasoline you pump into your car’s gas tank has a density of 732.22 kg/m3. If your tank has a capacity of 12 gallons, how many grams of gasoline are in your tank when it is full? How many pounds?

The answer is d.potassium

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.

The think of process to make something successful

I’m really not sure what’s the answer. sorry