Which Statement About Sound Waves Is NOT Correct

Multiple Choice

Which statement about sound waves is NOT correct?

A) They are produced by a disturbance pattern in air molecules.
B) They gradually dissipate as they travel from the original sound source.
C) The human ear can detect sound waves between 20 and 20,000 cycles per second.
D) The average human ear is most sensitive to sound waves with frequencies between 5,000 and 10,000 cycles per second.