At what temperature did the water start to change Calculate the gradient of the graph for the following time intervals.
4.1
while ice was changing from liquid to gaseous phase.
4.2 while water was warming up from its melting point to its boiling point.
Write down the phase(s) of the water and the time interval(s) during which
mained constant,​

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.