Please help me with this I’ll give you extra credit it’s due in 10 minutes thanksss !! :)) question 22

What can be the use of smoke transformed into liquid?

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 are some natural measures of time