Please answer one or both of the questions below

The three types is stress that act on earths rocks are compression, tension, and

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.

What information does a complete ionic equation give that the balanced equation doesn’t show?