Ryan saws some more wood from the top of the pyramid. the cross section moves closer to the base of the pyramid. what happens to the size and shape of the cross section when compared with the cross section in part a?

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.