What substance suspend fat in a watery digestive mixture, making fat more available to digestive enzymes?

Which term refers to a property that depends only on the amount of a substance? ©@

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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.