Juan lives 100 m away from bill. what is juan's average speed if he reaches home in 50 s

2 m/sec.
his average velocity divided by the travel time. is this helpful?

Take the miles and divide it by the 50s i believe

A) the enthralling of formation for pure element in its standard state is always positivehope this : )

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.