A list contains five types of waves: Radio, Gamma, Sound, Microwave, and Infrared. Which option correctly arranges only the electromagnetic waves from highest to lowest frequency?
(a) Gamma→Microwave→Infrared→Radio
(b) Sound→Gamma→Infrared→Radio
(c) Gamma→Infrared→Microwave→Radio
(d) Radio→Microwave→Infrared→Gamma