What is the answer plz lmk

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

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.