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,​

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color