Sammy wants to tell me how much total monthly income is going to various which of th following would be most in displaying this data 1. circle graph 2. bar graph 3. line graph 4. frequency table

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.