The arrows in the image show the direction in which carbon is moving which process of the carbon cycle is indicated

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

What substance has a mass of 9.5g and volume of 2.1cm^3

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.