The correct statement is:
Infrared waves exhibit frequencies lower than those of ultraviolet waves. As frequency and energy maintain a direct proportionality, it follows that infrared waves also possess lower energy levels compared to ultraviolet waves.
This is accurate because infrared waves indeed have lower frequencies than ultraviolet waves, and energy is directly proportional to frequency (E = hf, where E is energy, h is Planck's constant, and f is frequency). Therefore, lower frequency corresponds to lower energy.