A contains three cases oxycen, bellum, and nitrogen. If the partial pressures of the three gases in the tank are of N 2 and atm He the total pressure inside the tank? Round to 2 places

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.