I am looking for ANAS129

is anybody friends with him

plz don't report

Why did southern business leaders want to increase the number of slaves

Ineed ! i have no clue how to do this problem.

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.