In changing which of the following parameters would improve the separation of a mixture of volatile compounds using gas chromatography

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.

The arrangement of particles is most ordered in a sample of