How does a volcano form a. magma at the surface hardens into metaphoric rock b. lava comes up from beneath the surface and solidifies into metaphoric rock c. magma repiditaley comes up from beneath the surface and solidifies into ingenious rock d. lava comes up from the surface and hardens into ingenious rock

Why is the structure of molecule important to its function?

If a solution had a ph of 7 what is the solution

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.