Final answer:
A bigger head does not significantly affect the perception of low-frequency sounds; it doesn't absorb more sound, create more interference, or reduce sound attenuation. Low-frequency sounds have longer wavelengths that are less influenced by the size of a person's head.
Step-by-step explanation:
If you have a bigger head, it might affect your perception of sound due to sound waves' interactions with physical objects. However, when it comes to low-frequency sounds, a bigger head would not significantly alter their perception. Low frequency sounds have longer wavelengths and are less easily absorbed by smaller objects, including larger heads, so there wouldn't be a noticeable difference in absorption (option b is incorrect). Bigger heads do not inherently create more interference (option c is incorrect) nor reduce sound attenuation (option d is incorrect). Therefore, the correct answer to the question of how a bigger head will help for low frequency sounds is: a) It doesn't help for low frequencies.