On a sheet of paper, balance the following redox reaction using the Half Reaction Method Show all of you make sure you upload it so I can grade it and give partial credit for as much as I can HNO2(aq)+HI(aq)>NO(g)+I2(s)+H2O( l)
plz help​

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.