what increases as sound waves increase in frequency?\no pitch\no amplitude\no decibels\no loudness

what increases as sound waves increase in frequency?\no pitch\no amplitude\no decibels\no loudness
Answer
Brief Explanations:
The pitch of a sound is directly related to the frequency of the sound wave. Higher - frequency sound waves are perceived as having a higher pitch. Amplitude is related to loudness, and decibels measure the intensity (related to amplitude) of a sound.
Answer:
A. pitch