DUE IN TEN MIN HELP ASAP PLEASE

What does the cell nucleus do or, how does it function?

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 is the morality of 2.50 l of solution that contains 1.85 mol of anhydrous sodium tetraborate?