Both active solar heating systems and passive solar heating systems a.)reduce the need to use fossils fuels b.) use pump and fans c.) must face south d.) only work during the daytime

Consider this initial-rate data at a certain temperature for the reaction described by

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

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.